{
  "type": "monomer_set",
  "version": "1.0.0",
  "code_sets": [
    "ChEMBL",
    "OpenEye",
    "PDB",
    "Standard"
  ],
  "monomers": [
    {
      "smiles": "[H:1]N[C@@H](C)C(=O)[OH:2]",
      "name": "Alanine",
      "codes": {
        "ChEMBL": "A",
        "OpenEye": "A",
        "PDB": "ALA",
        "Standard": "A"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CS[H:3])C(=O)[OH:2]",
      "name": "Cysteine",
      "codes": {
        "ChEMBL": "C",
        "OpenEye": "C",
        "PDB": "CYS",
        "Standard": "C"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC([OH:3])=O)C([OH:2])=O",
      "name": "Aspartic acid",
      "codes": {
        "ChEMBL": "D",
        "OpenEye": "D",
        "PDB": "ASP",
        "Standard": "D"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "Glutamic acid",
      "codes": {
        "ChEMBL": "E",
        "OpenEye": "E",
        "PDB": "GLU",
        "Standard": "E"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1)C(=O)[OH:2]",
      "name": "Phenylalanine",
      "codes": {
        "ChEMBL": "F",
        "OpenEye": "F",
        "PDB": "PHE",
        "Standard": "F"
      }
    },
    {
      "smiles": "[H:1]NCC(=O)[OH:2]",
      "name": "Glycine",
      "codes": {
        "ChEMBL": "G",
        "OpenEye": "G",
        "PDB": "GLY",
        "Standard": "G"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cnc[nH]1)C(=O)[OH:2]",
      "name": "Histidine",
      "codes": {
        "ChEMBL": "H",
        "OpenEye": "H",
        "PDB": "HIS",
        "Standard": "H"
      }
    },
    {
      "smiles": "[H:1]N[C@@H]([C@@H](C)CC)C(=O)[OH:2]",
      "name": "Isoleucine",
      "codes": {
        "ChEMBL": "I",
        "OpenEye": "I",
        "PDB": "ILE",
        "Standard": "I"
      }
    },
    {
      "smiles": "[H:3]NCCCC[C@@H](C(=O)[OH:2])N[H:1]",
      "name": "Lysine",
      "codes": {
        "ChEMBL": "K",
        "OpenEye": "K",
        "PDB": "LYS",
        "Standard": "K"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC(C)C)C(=O)[OH:2]",
      "name": "Leucine",
      "codes": {
        "ChEMBL": "L",
        "OpenEye": "L",
        "PDB": "LEU",
        "Standard": "L"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCSC)C(=O)[OH:2]",
      "name": "Methionine",
      "codes": {
        "ChEMBL": "M",
        "OpenEye": "M",
        "PDB": "MET",
        "Standard": "M"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC(=O)N)C(=O)[OH:2]",
      "name": "Asparagine",
      "codes": {
        "ChEMBL": "N",
        "OpenEye": "N",
        "PDB": "ASN",
        "Standard": "N"
      }
    },
    {
      "smiles": "[H:1]N1CCC[C@H]1C(=O)[OH:2]",
      "name": "Proline",
      "codes": {
        "ChEMBL": "P",
        "OpenEye": "P",
        "PDB": "PRO",
        "Standard": "P"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCC(=O)N)C(=O)[OH:2]",
      "name": "Glutamine",
      "codes": {
        "ChEMBL": "Q",
        "OpenEye": "Q",
        "PDB": "GLN",
        "Standard": "Q"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCNC(=N)N)C(=O)[OH:2]",
      "name": "Arginine",
      "codes": {
        "ChEMBL": "R",
        "OpenEye": "R",
        "PDB": "ARG",
        "Standard": "R"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CO)C(=O)[OH:2]",
      "name": "Serine",
      "codes": {
        "ChEMBL": "S",
        "OpenEye": "S",
        "PDB": "SER",
        "Standard": "S"
      }
    },
    {
      "smiles": "[H:1]N[C@@H]([C@@H](C)O[H:3])C(=O)[OH:2]",
      "name": "Threonine",
      "codes": {
        "ChEMBL": "T",
        "OpenEye": "T",
        "PDB": "THR",
        "Standard": "T"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C(C)C)C(=O)[OH:2]",
      "name": "Valine",
      "codes": {
        "ChEMBL": "V",
        "OpenEye": "V",
        "PDB": "VAL",
        "Standard": "V"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "Tryptophan",
      "codes": {
        "ChEMBL": "W",
        "OpenEye": "W",
        "PDB": "TRP",
        "Standard": "W"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)O)C(=O)[OH:2]",
      "name": "Tyrosine",
      "codes": {
        "ChEMBL": "Y",
        "OpenEye": "Y",
        "PDB": "TYR",
        "Standard": "Y"
      }
    },
    {
      "smiles": "[H:1]N[C@H](C)C(=O)[OH:2]",
      "name": "D-Alanine",
      "codes": {
        "ChEMBL": "dA",
        "OpenEye": "dAla",
        "PDB": "DAL"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CS[H:3])C(=O)[OH:2]",
      "name": "D-Cysteine",
      "codes": {
        "ChEMBL": "dC",
        "OpenEye": "dCys",
        "PDB": "DCY"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CC([OH:3])=O)C([OH:2])=O",
      "name": "D-Aspartic acid",
      "codes": {
        "ChEMBL": "dD",
        "OpenEye": "dAsp",
        "PDB": "DAS"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "D-Glutamic acid",
      "codes": {
        "ChEMBL": "dE",
        "OpenEye": "dGlu",
        "PDB": "DGL"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1ccccc1)C(=O)[OH:2]",
      "name": "D-Phenylalanine",
      "codes": {
        "ChEMBL": "dF",
        "OpenEye": "dPhe",
        "PDB": "DPN"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1cnc[nH]1)C(=O)[OH:2]",
      "name": "D-Histidine",
      "codes": {
        "ChEMBL": "dH",
        "OpenEye": "dHis",
        "PDB": "DHI"
      }
    },
    {
      "smiles": "[H:1]N[C@H]([C@H](C)CC)C(=O)[OH:2]",
      "name": "D-Isoleucine",
      "codes": {
        "ChEMBL": "dI",
        "OpenEye": "dIle",
        "PDB": "DIL"
      }
    },
    {
      "smiles": "[H:1]N[C@@H]([C@H](C)CC)C(=O)[OH:2]",
      "name": "L-Alloisoleucine",
      "codes": {
        "ChEMBL": "lalloI",
        "OpenEye": "AlloIle",
        "PDB": "IIL"
      }
    },
    {
      "smiles": "[H:1]N[C@H]([C@@H](C)CC)C(=O)[OH:2]",
      "name": "D-Alloisoleucine",
      "codes": {
        "ChEMBL": "dalloI",
        "OpenEye": "dAlloIle",
        "PDB": "28J"
      }
    },
    {
      "smiles": "[H:3]NCCCC[C@H](C(=O)[OH:2])N[H:1]",
      "name": "D-Lysine",
      "codes": {
        "ChEMBL": "dK",
        "OpenEye": "dLys",
        "PDB": "DLY"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CC(C)C)C(=O)[OH:2]",
      "name": "D-Leucine",
      "codes": {
        "ChEMBL": "dL",
        "OpenEye": "dLeu",
        "PDB": "DLE"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCSC)C(=O)[OH:2]",
      "name": "D-Methionine",
      "codes": {
        "ChEMBL": "dM",
        "OpenEye": "dMet",
        "PDB": "MED"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CC(=O)N)C(=O)[OH:2]",
      "name": "D-Asparagine",
      "codes": {
        "ChEMBL": "dN",
        "OpenEye": "dAsn",
        "PDB": "DSG"
      }
    },
    {
      "smiles": "[H:1]N1CCC[C@@H]1C(=O)[OH:2]",
      "name": "D-Proline",
      "codes": {
        "ChEMBL": "dP",
        "OpenEye": "dPro",
        "PDB": "DPR"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCC(=O)N)C(=O)[OH:2]",
      "name": "D-Glutamine",
      "codes": {
        "ChEMBL": "dQ",
        "OpenEye": "dGln",
        "PDB": "DGN"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCCNC(=N)N)C(=O)[OH:2]",
      "name": "D-Arginine",
      "codes": {
        "ChEMBL": "dR",
        "OpenEye": "dArg"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CO)C(=O)[OH:2]",
      "name": "D-Serine",
      "codes": {
        "ChEMBL": "dS",
        "OpenEye": "dSer",
        "PDB": "DSN"
      }
    },
    {
      "smiles": "[H:1]N[C@H]([C@H](C)O[H:3])C(=O)[OH:2]",
      "name": "D-Threonine",
      "codes": {
        "ChEMBL": "dT",
        "OpenEye": "dThr",
        "PDB": "DTH"
      }
    },
    {
      "smiles": "[H:1]N[C@H](C(C)C)C(=O)[OH:2]",
      "name": "D-Valine",
      "codes": {
        "ChEMBL": "dV",
        "OpenEye": "dVal",
        "PDB": "DVA"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "D-Tryptophan",
      "codes": {
        "ChEMBL": "dW",
        "OpenEye": "dTrp",
        "PDB": "DTR"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1ccc(cc1)O)C(=O)[OH:2]",
      "name": "D-Tyrosine",
      "codes": {
        "ChEMBL": "dY",
        "OpenEye": "dTyr",
        "PDB": "DTY"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCNC(=O)[C@H]1[C@@H](CC=N1)C)C(=O)[OH:2]",
      "name": "L-Pyrrolysine",
      "codes": {
        "OpenEye": "O",
        "PDB": "PYL"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C[SeH])C(=O)[OH:2]",
      "name": "L-Selenocysteine",
      "codes": {
        "OpenEye": "U",
        "PDB": "SEC"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](C)C(=O)[OH:2]",
      "name": "N-methyl-L-Alanine",
      "codes": {
        "ChEMBL": "meA",
        "OpenEye": "NMeAla",
        "PDB": "MAA"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CS[H:3])C(=O)[OH:2]",
      "name": "N-methyl-L-Cysteine",
      "codes": {
        "ChEMBL": "meC",
        "OpenEye": "NMeCys",
        "PDB": "NCY"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CC(=O)[OH:3])C(=O)[OH:2]",
      "name": "N-methyl-L-Aspartic acid",
      "codes": {
        "ChEMBL": "meD",
        "OpenEye": "NMeAsp",
        "PDB": "SOQ"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "N-methyl-L-Glutamic acid",
      "codes": {
        "ChEMBL": "meE",
        "OpenEye": "NMeGlu",
        "PDB": "EME"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1ccccc1)C(=O)[OH:2]",
      "name": "N-methyl-L-Phenylalanine",
      "codes": {
        "ChEMBL": "meF",
        "OpenEye": "NMePhe",
        "PDB": "MEA"
      }
    },
    {
      "smiles": "[H:1]N(C)CC(=O)[OH:2]",
      "name": "N-methyl-L-Glycine (sarcosine)",
      "codes": {
        "ChEMBL": "Sar",
        "OpenEye": "Sar",
        "PDB": "SAR"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1cnc[nH]1)C(=O)[OH:2]",
      "name": "N-methyl-L-Histidine",
      "codes": {
        "ChEMBL": "meH",
        "OpenEye": "NMeHis",
        "PDB": "E9V"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H]([C@@H](C)CC)C(=O)[OH:2]",
      "name": "N-methyl-L-Isoleucine",
      "codes": {
        "ChEMBL": "meI",
        "OpenEye": "NMeIle",
        "PDB": "IML"
      }
    },
    {
      "smiles": "[H:3]NCCCC[C@@H](C(=O)[OH:2])N([H:1])C",
      "name": "N-methyl-L-Lysine",
      "codes": {
        "ChEMBL": "meK",
        "OpenEye": "NMeLys",
        "PDB": "NMK"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CC(C)C)C(=O)[OH:2]",
      "name": "N-methyl-L-Leucine",
      "codes": {
        "ChEMBL": "meL",
        "OpenEye": "NMeLeu",
        "PDB": "MLE"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CCSC)C(=O)[OH:2]",
      "name": "N-methyl-L-Methionine",
      "codes": {
        "ChEMBL": "meM",
        "OpenEye": "NMeMet",
        "PDB": "MME"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CC(=O)N)C(=O)[OH:2]",
      "name": "N-methyl-L-Asparagine",
      "codes": {
        "OpenEye": "NMeAsn"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CCC(=O)N)C(=O)[OH:2]",
      "name": "N-methyl-L-Glutamine",
      "codes": {
        "OpenEye": "NMeGln",
        "PDB": "GNC"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CCCNC(=N)N)C(=O)[OH:2]",
      "name": "N-methyl-L-Arginine",
      "codes": {
        "ChEMBL": "meR",
        "OpenEye": "NMeArg",
        "PDB": "MMO"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CO)C(=O)[OH:2]",
      "name": "N-methyl-L-Serine",
      "codes": {
        "ChEMBL": "meS",
        "OpenEye": "NMeSer",
        "PDB": "5JP"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H]([C@@H](C)O[H:3])C(=O)[OH:2]",
      "name": "N-methyl-L-Threonine",
      "codes": {
        "ChEMBL": "meT",
        "OpenEye": "NMeThr",
        "PDB": "NZC"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](C(C)C)C(=O)[OH:2]",
      "name": "N-methyl-L-Valine",
      "codes": {
        "ChEMBL": "meV",
        "OpenEye": "NMeVal",
        "PDB": "MVA"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "N-methyl-L-Tryptophan",
      "codes": {
        "ChEMBL": "meW",
        "OpenEye": "NMeTrp",
        "PDB": "E9M"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1ccc(cc1)O)C(=O)[OH:2]",
      "name": "N-methyl-L-Tyrosine",
      "codes": {
        "ChEMBL": "meY",
        "OpenEye": "NMeTyr",
        "PDB": "YNM"
      }
    },
    {
      "smiles": "[H:1]N(CC)CC(=O)[OH:2]",
      "name": "N-ethyl-L-Glycine",
      "codes": {
        "ChEMBL": "X204",
        "OpenEye": "NEtGly",
        "PDB": "2JC"
      }
    },
    {
      "smiles": "[H:1]N(CC)[C@@H](Cc1ccccc1)C(=O)[OH:2]",
      "name": "N-ethyl-L-Phenylalanine",
      "codes": {
        "OpenEye": "NEtPhe"
      }
    },
    {
      "smiles": "[H:1]N(CCC)CC(=O)[OH:2]",
      "name": "N-propyl-L-Glycine",
      "codes": {
        "ChEMBL": "X361",
        "OpenEye": "NPrGly"
      }
    },
    {
      "smiles": "[H:1]N(CCCC)CC(=O)[OH:2]",
      "name": "2-(butylamino)acetic acid",
      "codes": {
        "ChEMBL": "X1030",
        "OpenEye": "NBuGly"
      }
    },
    {
      "smiles": "[H:1]N(CC(C)C)CC(=O)[OH:2]",
      "name": "2-(isobutylamino)acetic acid",
      "codes": {
        "ChEMBL": "X439",
        "OpenEye": "NiBuGly",
        "PDB": "I4G"
      }
    },
    {
      "smiles": "[H:1]N(CCCCC)CC(=O)[OH:2]",
      "name": "N-pentyl-L-Glycine",
      "codes": {
        "ChEMBL": "X1183",
        "OpenEye": "NPeGly"
      }
    },
    {
      "smiles": "[H:1]N(CCOC)CC(=O)[OH:2]",
      "name": "2-(2-methoxyethylamino)acetic acid",
      "codes": {
        "ChEMBL": "X97",
        "OpenEye": "NMeOEtGly"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](C)C(=O)[OH:2]",
      "name": "N-methyl-D-Alanine",
      "codes": {
        "ChEMBL": "Me_dA",
        "OpenEye": "dNMeAla",
        "PDB": "33X"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CS[H:3])C(=O)[OH:2]",
      "name": "N-methyl-D-Cysteine",
      "codes": {
        "ChEMBL": "Me_dC",
        "OpenEye": "dNMeCys"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CC(=O)[OH:3])C(=O)[OH:2]",
      "name": "N-methyl-D-Aspartic acid",
      "codes": {
        "ChEMBL": "dmeD",
        "OpenEye": "dNMeAsp",
        "PDB": "OEM"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "N-methyl-D-Glutamic acid",
      "codes": {
        "OpenEye": "dNMeGlu"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](Cc1ccccc1)C(=O)[OH:2]",
      "name": "N-methyl-D-Phenylalanine",
      "codes": {
        "ChEMBL": "Me_dF",
        "OpenEye": "dNMePhe",
        "PDB": "ZAE"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](Cc1cnc[nH]1)C(=O)[OH:2]",
      "name": "N-methyl-D-Histidine",
      "codes": {
        "ChEMBL": "Me_dH",
        "OpenEye": "dNMeHis"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H]([C@H](C)CC)C(=O)[OH:2]",
      "name": "N-methyl-D-Isoleucine",
      "codes": {
        "ChEMBL": "Me_dI",
        "OpenEye": "dNMeIle"
      }
    },
    {
      "smiles": "[H:3]NCCCC[C@H](C(=O)[OH:2])N([H:1])C",
      "name": "N-methyl-D-Lysine",
      "codes": {
        "ChEMBL": "Me_dK",
        "OpenEye": "dNMeLys"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CC(C)C)C(=O)[OH:2]",
      "name": "N-methyl-D-Leucine",
      "codes": {
        "ChEMBL": "Me_dL",
        "OpenEye": "dNMeLeu",
        "PDB": "MLU"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CCSC)C(=O)[OH:2]",
      "name": "N-methyl-D-Methionine",
      "codes": {
        "OpenEye": "dNMeMet"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CC(=O)N)C(=O)[OH:2]",
      "name": "N-methyl-D-Asparagine",
      "codes": {
        "OpenEye": "dNMeAsn"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CCC(=O)N)C(=O)[OH:2]",
      "name": "N-methyl-D-Glutamine",
      "codes": {
        "OpenEye": "dNMeGln",
        "PDB": "HJV"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CCCNC(=N)N)C(=O)[OH:2]",
      "name": "N-methyl-D-Arginine",
      "codes": {
        "ChEMBL": "Me_dR",
        "OpenEye": "dNMeArg"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CO)C(=O)[OH:2]",
      "name": "N-methyl-D-Serine",
      "codes": {
        "OpenEye": "dNMeSer",
        "PDB": "DSE"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H]([C@H](C)O[H:3])C(=O)[OH:2]",
      "name": "N-methyl-D-Threonine",
      "codes": {
        "ChEMBL": "Me_dT",
        "OpenEye": "dNMeThr"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](C(C)C)C(=O)[OH:2]",
      "name": "N-methyl-D-Valine",
      "codes": {
        "ChEMBL": "Me_dV",
        "OpenEye": "dNMeVal",
        "PDB": "MV9"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](Cc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "N-methyl-D-Tryptophan",
      "codes": {
        "ChEMBL": "Me_dW",
        "OpenEye": "dNMeTrp"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](Cc1ccc(cc1)O)C(=O)[OH:2]",
      "name": "N-methyl-D-Tyrosine",
      "codes": {
        "ChEMBL": "Me_dY",
        "OpenEye": "dNMeTyr"
      }
    },
    {
      "smiles": "[H:1]NC(C)(C)C(=O)[OH:2]",
      "name": "Alpha-methyl-Alanine",
      "codes": {
        "ChEMBL": "Aib",
        "OpenEye": "Aib",
        "PDB": "AIB"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(CS)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Cysteine",
      "codes": {
        "OpenEye": "aMeCys",
        "PDB": "03Y"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(CC(=O)[OH:3])C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Aspartic acid",
      "codes": {
        "OpenEye": "aMeAsp",
        "PDB": "0A0"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(Cc1ccccc1)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Phenylalanine",
      "codes": {
        "ChEMBL": "X56",
        "OpenEye": "aMePhe"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(CCCNC(=N)N)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Arginine",
      "codes": {
        "OpenEye": "aMeArg"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(Cc1cnc[nH]1)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Histidine",
      "codes": {
        "OpenEye": "aMeHis"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(CC(=O)N)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Asparagine",
      "codes": {
        "OpenEye": "aMeAsn"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(Cc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Tryptophan",
      "codes": {
        "OpenEye": "aMeTrp",
        "PDB": "ZIQ"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(Cc1ccc(cc1)O)C(=O)[OH:2]",
      "name": "Alpha-methyl-L-Tyrosine",
      "codes": {
        "ChEMBL": "X619",
        "OpenEye": "aMeTyr"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC1CC1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-cyclopropyl-propanoic acid",
      "codes": {
        "ChEMBL": "X898",
        "OpenEye": "Ala(cPr)"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC1CCC1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-cyclobutyl-propanoic acid",
      "codes": {
        "OpenEye": "Ala(cBu)",
        "PDB": "2JH"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC1CCCC1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-cyclopentyl-propanoic acid",
      "codes": {
        "ChEMBL": "X1977",
        "OpenEye": "Ala(cPe)",
        "PDB": "XYC"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1nnn[nH]1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(1H-tetrazol-5-yl)propanoic acid",
      "codes": {
        "OpenEye": "Ala(5-Tet)",
        "PDB": "9DQ"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CSC)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-methylsulfanyl-propanoic acid",
      "codes": {
        "ChEMBL": "X202",
        "OpenEye": "Cys(Me)",
        "PDB": "SMC"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CSC(C)(C)C)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-tert-butylsulfanyl-propanoic acid",
      "codes": {
        "ChEMBL": "Cys(tBu)",
        "OpenEye": "Cys(tBu)"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC(=O)OC)C(=O)[OH:2]",
      "name": "(2S)-2-amino-4-methoxy-4-oxo-butanoic acid",
      "codes": {
        "ChEMBL": "X711",
        "OpenEye": "Asp(OMe)",
        "PDB": "FL6"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CC(=O)OC)C(=O)[OH:2]",
      "name": "(2R)-2-amino-4-methoxy-4-oxo-butanoic acid",
      "codes": {
        "ChEMBL": "X1951",
        "OpenEye": "dAsp(OMe)"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCC(=O)(OC))C(=O)[OH:2]",
      "name": "(2S)-2-amino-5-methoxy-5-oxo-pentanoic acid",
      "codes": {
        "ChEMBL": "X1004",
        "OpenEye": "Glu(OMe)",
        "PDB": "GME"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCC(=O)(OC))C(=O)[OH:2]",
      "name": "(2R)-2-amino-5-methoxy-5-oxo-pentanoic acid",
      "codes": {
        "OpenEye": "dGlu(OMe)"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCNC)C(=O)[OH:2]",
      "name": "(2S)-2-amino-6-(methylamino)hexanoic acid",
      "codes": {
        "ChEMBL": "Lys(Me)",
        "OpenEye": "Lys(Me)",
        "PDB": "MLZ"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCN(C)C)C(=O)[OH:2]",
      "name": "(2S)-2-amino-6-(dimethylamino)hexanoic acid",
      "codes": {
        "ChEMBL": "Lys(Me)2",
        "OpenEye": "Lys(Me)2",
        "PDB": "MLY"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCN(C)CC)C(=O)[OH:2]",
      "name": "(2S)-2-amino-6-[ethyl(methyl)amino]hexanoic acid",
      "codes": {
        "OpenEye": "Lys(Et,Me)"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCS(=O)(=O)C)C(=O)[OH:2]",
      "name": "(2S)-2-amino-4-methylsulfonyl-butanoic acid",
      "codes": {
        "ChEMBL": "X636",
        "OpenEye": "Met(O2)",
        "PDB": "OMT"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](COC)C(=O)[OH:2]",
      "name": "(2~{S})-2-amino-3-methoxypropanoic acid",
      "codes": {
        "ChEMBL": "X45",
        "OpenEye": "Ser(Me)",
        "PDB": "7C9"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](COC(C)(C)C)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-tert-butoxy-propanoic acid",
      "codes": {
        "ChEMBL": "Ser(tBu)",
        "OpenEye": "Ser(tBu)",
        "PDB": "RZ4"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](COCc1ccccc1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-benzyloxy-propanoic acid",
      "codes": {
        "ChEMBL": "Ser(Bzl)",
        "OpenEye": "Ser(Bzl)",
        "PDB": "SEM"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1c[n](C)c2c1cccc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(1-methylindol-3-yl)propanoic acid",
      "codes": {
        "ChEMBL": "X543",
        "OpenEye": "Trp(Me)",
        "PDB": "EXL"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCNC(=N)NC)C(=O)[OH:2]",
      "name": "(2~{S})-2-amino-5-[(~{N}-methylcarbamimidoyl)amino]pentanoic acid",
      "codes": {
        "ChEMBL": "X842",
        "OpenEye": "Arg(OMe)",
        "PDB": "NMM"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)OC)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-methoxyphenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X172",
        "OpenEye": "Tyr(Me)",
        "PDB": "0A1"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1ccc(cc1)OC)C(=O)[OH:2]",
      "name": "(2S)-3-(4-methoxyphenyl)-2-(methylamino)propanoic acid",
      "codes": {
        "ChEMBL": "X1247",
        "OpenEye": "NMeTyr(Me)",
        "PDB": "MTJ"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)OC(C)(C)C)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-tert-butoxyphenyl)propanoic acid",
      "codes": {
        "ChEMBL": "Tyr(tBu)",
        "OpenEye": "Tyr(tBu)",
        "PDB": "TY1"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)OCc2ccccc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-benzyloxyphenyl)-1-λ1-oxidanyl-propan-1-one",
      "codes": {
        "ChEMBL": "Tyr(Bzl)",
        "OpenEye": "Tyr(Bzl)",
        "PDB": "TY5"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCc1ccccc1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-4-phenyl-butanoic acid",
      "codes": {
        "ChEMBL": "Hph",
        "OpenEye": "HPhe",
        "PDB": "HPE"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1)CC(=O)[OH:2]",
      "name": "(3S)-3-amino-4-phenyl-butanoic acid",
      "codes": {
        "OpenEye": "bHPhe",
        "PDB": "3FB"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCc1cnc[nH]1)C(=O)[OH:2]",
      "name": "Homo-Histidine",
      "codes": {
        "OpenEye": "HHis"
      }
    },
    {
      "smiles": "[H:3]NCCCCC[C@@H](C(=O)[OH:2])N[H:1]",
      "name": "Homo-Lysine",
      "codes": {
        "ChEMBL": "X480",
        "OpenEye": "HLys"
      }
    },
    {
      "smiles": "[H:1]N1CCCC[C@H]1C(=O)[OH:2]",
      "name": "Homo-Proline",
      "codes": {
        "ChEMBL": "dHpr",
        "OpenEye": "Pip",
        "PDB": "YCP"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCO)C(=O)[OH:2]",
      "name": "Homo-Serine",
      "codes": {
        "ChEMBL": "Hse",
        "OpenEye": "Hse",
        "PDB": "HSE"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCNC(=N)N)C(=O)[OH:2]",
      "name": "Homo-Arginine",
      "codes": {
        "ChEMBL": "X37",
        "OpenEye": "HArg",
        "PDB": "HRG"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C[C@@H](C)O[H:3])C(=O)[OH:2]",
      "name": "Homo-Threonine",
      "codes": {
        "ChEMBL": "X1876",
        "OpenEye": "HThr"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "Homo-Tryptophan",
      "codes": {
        "OpenEye": "HTrp"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCc1ccc(cc1)O)C(=O)[OH:2]",
      "name": "Homo-Tyrosine",
      "codes": {
        "ChEMBL": "X831",
        "OpenEye": "HTyr",
        "PDB": "73O"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(c(F)c1)O)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(3-fluoro-4-hydroxy-phenyl)propanoic acid",
      "codes": {
        "OpenEye": "3FTyr",
        "PDB": "YOF"
      }
    },
    {
      "smiles": "[H:1]NC[C@H](Cc1ccccc1)C(=O)[OH:2]",
      "name": "(2R)-2-(aminomethyl)-3-phenyl-propanoic acid",
      "codes": {
        "OpenEye": "(2R)b2Phe"
      }
    },
    {
      "smiles": "[H:1]NC[C@H](CCCNC(=N)N)C(=O)[OH:2]",
      "name": "(2S)-2-(aminomethyl)-5-guanidino-pentanoic acid",
      "codes": {
        "OpenEye": "(2S)b2Arg"
      }
    },
    {
      "smiles": "[H:1]NC[C@@H](Cc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "(2R)-2-(aminomethyl)-3-(1H-indol-3-yl)propanoic acid",
      "codes": {
        "OpenEye": "(2R)b2Trp"
      }
    },
    {
      "smiles": "[H:1]NC[C@@H](CCc1c[nH]c2c1cccc2)C(=O)[OH:2]",
      "name": "(2R)-2-(aminomethyl)-3-(1H-indol-3-yl)propanoic acid",
      "codes": {
        "OpenEye": "(2R)b2HTrp"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1Cl)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2-chlorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X592",
        "OpenEye": "2ClPhe",
        "PDB": "2L5"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cccc(c1)Cl)C(=O)[OH:2]",
      "name": "(2~{S})-2-amino-3-(3-chlorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "Phe(3-Cl)",
        "OpenEye": "3ClPhe",
        "PDB": "FCL"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)Cl)C(=O)[OH:2]",
      "name": "(2~{S})-2-amino-3-(4-chlorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "Phe(4-Cl)",
        "OpenEye": "4ClPhe",
        "PDB": "200"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1cccc(c1)Cl)C(=O)[OH:2]",
      "name": "(2S)-3-(3-chlorophenyl)-2-(methylamino)propanoic acid",
      "codes": {
        "OpenEye": "NMe3ClPhe"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1ccc(cc1)Cl)C(=O)[OH:2]",
      "name": "(2S)-3-(4-chlorophenyl)-2-(methylamino)propanoic acid",
      "codes": {
        "OpenEye": "NMe4ClPhe",
        "PDB": "7T2"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(c(c1)Cl)Cl)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(3,4-dichlorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X245",
        "OpenEye": "3,4diClPhe",
        "PDB": "ZCL"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cccc(c1)C(F)(F)(F))C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-[3-(trifluoromethyl)phenyl]propanoic acid",
      "codes": {
        "OpenEye": "3CF3Phe",
        "PDB": "FX9"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1F)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2-fluorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X883",
        "OpenEye": "2FPhe"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cccc(c1)F)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(3-fluorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X238",
        "OpenEye": "3FPhe",
        "PDB": "N0A"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)F)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-fluorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X3",
        "OpenEye": "4FPhe",
        "PDB": "PFF"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(c(c1)F)F)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(3,4-difluorophenyl)propanoic acid",
      "codes": {
        "OpenEye": "3,4diFPhe",
        "PDB": "F2F"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1ccc(c(c1)F)F)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-(3,4-difluorophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X3010",
        "OpenEye": "d3,4diFPhe"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1I)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2-iodophenyl)propanoic acid",
      "codes": {
        "ChEMBL": "Phe(2-I)",
        "OpenEye": "2IPhe"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCc1ccc(cc1)Cl)C(=O)[OH:2]",
      "name": "(2S)-2-amino-4-(4-chlorophenyl)butanoic acid",
      "codes": {
        "OpenEye": "4ClHPhe"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCc1ccc(cc1)C)C(=O)[OH:2]",
      "name": "(2S)-2-amino-4-(p-tolyl)butanoic acid",
      "codes": {
        "OpenEye": "4MeHPhe"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1c[nH]c2c1cc(Br)cc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(5-bromo-1H-indol-3-yl)propanoic acid",
      "codes": {
        "OpenEye": "5BrTrp",
        "PDB": "64X"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1c[nH]c2c1ccc(Br)c2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(6-bromo-1H-indol-3-yl)propanoic acid",
      "codes": {
        "OpenEye": "6BrTrp",
        "PDB": "BTR"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1c[nH]c2c1cccc2(Br))C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(7-bromo-1H-indol-3-yl)propanoic acid",
      "codes": {
        "OpenEye": "7BrTrp",
        "PDB": "UV3"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "(2S)-2-aminohexanedioic acid",
      "codes": {
        "ChEMBL": "Aad",
        "OpenEye": "Aad",
        "PDB": "UN1"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC)C(=O)[OH:2]",
      "name": "(2S)-2-aminobutanoic acid",
      "codes": {
        "ChEMBL": "Abu",
        "OpenEye": "Abu",
        "PDB": "ABA"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CC)C(=O)[OH:2]",
      "name": "(2R)-2-aminobutanoic acid",
      "codes": {
        "ChEMBL": "dAbu",
        "OpenEye": "dAbu",
        "PDB": "DBB"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CC)C(=O)[OH:2]",
      "name": "(2~{S})-2-(methylamino)butanoic acid",
      "codes": {
        "ChEMBL": "Me_Abu",
        "OpenEye": "NMeAbu"
      }
    },
    {
      "smiles": "[H:1]N(CC1CCCCC1)CC(=O)[OH:2]",
      "name": "2-(cyclohexylmethylamino)acetic acid",
      "codes": {
        "ChEMBL": "X1258",
        "OpenEye": "NCycHexMeGly"
      }
    },
    {
      "smiles": "[H:1]N(Cc1ccccc1)CC(=O)[OH:2]",
      "name": "2-(benzylamino)acetic acid",
      "codes": {
        "ChEMBL": "X19",
        "OpenEye": "NBnGly",
        "PDB": "04Q"
      }
    },
    {
      "smiles": "[H:1]N(CCc1ccccc1)CC(=O)[OH:2]",
      "name": "2-(2-phenylethylamino)acetic acid",
      "codes": {
        "ChEMBL": "X265",
        "OpenEye": "NPhEtGly"
      }
    },
    {
      "smiles": "[H:1]N(CCCc1ccccc1)CC(=O)[OH:2]",
      "name": "2-(3-phenylpropylamino)acetic acid",
      "codes": {
        "ChEMBL": "X385",
        "OpenEye": "NPhPrGly"
      }
    },
    {
      "smiles": "[H:1]Nc1ccccc1C(=O)[OH:2]",
      "name": "2-aminobenzoic acid",
      "codes": {
        "OpenEye": "Abz",
        "PDB": "BE2"
      }
    },
    {
      "smiles": "[H:1]Nc1cccc(c1)C(=O)[OH:2]",
      "name": "3-aminobenzoic acid",
      "codes": {
        "OpenEye": "3Abz",
        "PDB": "GAB"
      }
    },
    {
      "smiles": "[H:1]Nc1ccc(cc1)C(=O)[OH:2]",
      "name": "4-aminobenzoic acid",
      "codes": {
        "OpenEye": "4Abz",
        "PDB": "PAB"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCCCCC)C(=O)[OH:2]",
      "name": "(2S)-2-aminodecanoic acid",
      "codes": {
        "ChEMBL": "Aca",
        "OpenEye": "Aca"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCCC(=O)CC)C(=O)[OH:2]",
      "name": "(2S)-2-amino-8-oxo-decanoic acid",
      "codes": {
        "ChEMBL": "X1196",
        "OpenEye": "Aoda"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "(2S)-2-aminoheptanedioic acid",
      "codes": {
        "ChEMBL": "Apm",
        "OpenEye": "Apm",
        "PDB": "NPI"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1)[C@@H](CC(=O)[OH:2])O",
      "name": "(3R,4S)-4-amino-3-hydroxy-5-phenyl-pentanoic acid",
      "codes": {
        "OpenEye": "App"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCCC(=O)[OH:3])C(=O)[OH:2]",
      "name": "(2S)-2-aminooctanedioic acid",
      "codes": {
        "ChEMBL": "Asu",
        "OpenEye": "Asu",
        "PDB": "9R1"
      }
    },
    {
      "smiles": "[H:1]N1CC[C@H]1C(=O)[OH:2]",
      "name": "(2S)-azetidine-2-carboxylic acid",
      "codes": {
        "ChEMBL": "Aze",
        "OpenEye": "Aze",
        "PDB": "02A"
      }
    },
    {
      "smiles": "[H:1]N1CC[C@@H]1C(=O)[OH:2]",
      "name": "(2R)-azetidine-2-carboxylic acid",
      "codes": {
        "ChEMBL": "dAze",
        "OpenEye": "dAze"
      }
    },
    {
      "smiles": "[H:1]NCCC(=O)[OH:2]",
      "name": "3-aminopropanoic acid",
      "codes": {
        "OpenEye": "Bal",
        "PDB": "BAL"
      }
    },
    {
      "smiles": "[H:1]N(C)CCC(=O)[OH:2]",
      "name": "3-(methylamino)propanoic acid",
      "codes": {
        "OpenEye": "NMeBal"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)c2ccccc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-phenylphenyl)propanoic acid",
      "codes": {
        "ChEMBL": "X114",
        "OpenEye": "Bip",
        "PDB": "BIF"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc(cc1)C(=O)c2ccccc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-benzoylphenyl)propanoic acidd",
      "codes": {
        "ChEMBL": "X374",
        "OpenEye": "Bpa",
        "PDB": "PBF"
      }
    },
    {
      "smiles": "[H:1]NC[C@H](CC(=O)[OH:2])O",
      "name": "(3S)-4-amino-3-hydroxy-butanoic acid",
      "codes": {
        "OpenEye": "Bux"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCC1CCCCC1)[C@H](C(=O)[OH:2])O",
      "name": "(2R,3S)-3-amino-5-cyclohexyl-2-hydroxy-pentanoic acid",
      "codes": {
        "OpenEye": "Cap"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC1CCCCC1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-cyclohexyl-propanoic acid",
      "codes": {
        "ChEMBL": "Cha",
        "OpenEye": "Cha",
        "PDB": "ALC"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CC1CCCCC1)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-cyclohexyl-propanoic acid",
      "codes": {
        "ChEMBL": "dCha",
        "OpenEye": "dCha",
        "PDB": "ZAL"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CC1CCCCC1)C(=O)[OH:2]",
      "name": "(2S)-3-cyclohexyl-2-(methylamino)propanoic acid",
      "codes": {
        "ChEMBL": "Me_Cha",
        "OpenEye": "NMeCha",
        "PDB": "H7V"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](CC1CCCCC1)C(=O)[OH:2]",
      "name": "(2R)-3-cyclohexyl-2-(methylamino)propanoic acid",
      "codes": {
        "OpenEye": "dNMeCha"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C1CCCCC1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-2-cyclohexyl-acetic acid",
      "codes": {
        "ChEMBL": "Chg",
        "OpenEye": "Chg",
        "PDB": "CHG"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCNC(=O)N)C(=O)[OH:2]",
      "name": "D-Citrulline",
      "codes": {
        "ChEMBL": "Cit",
        "OpenEye": "Cit",
        "PDB": "CIR"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCCNC(=O)N)C(=O)[OH:2]",
      "name": "D-Citrulline",
      "codes": {
        "ChEMBL": "dCit",
        "OpenEye": "dCit"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CS(=O)(=O)O)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-sulfo-propanoic acid",
      "codes": {
        "ChEMBL": "Cya",
        "OpenEye": "Cya",
        "PDB": "OCS"
      }
    },
    {
      "smiles": "[H:3]NCC[C@@H](C(=O)[OH:2])N[H:1]",
      "name": "(2S)-2,4-diaminobutanoic acid",
      "codes": {
        "ChEMBL": "Dab",
        "OpenEye": "Dab",
        "PDB": "DAB"
      }
    },
    {
      "smiles": "[H:3]NC[C@@H](C(=O)[OH:2])N[H:1]",
      "name": "(2S)-2,3-diaminopropanoic acid",
      "codes": {
        "ChEMBL": "Dpr",
        "OpenEye": "Dap",
        "PDB": "DPP"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C(c1ccccc1)c2ccccc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3,3-diphenyl-propanoic acid",
      "codes": {
        "ChEMBL": "X28",
        "OpenEye": "Dip",
        "PDB": "2GX"
      }
    },
    {
      "smiles": "[H:1]NCCCC(=O)[OH:2]",
      "name": "4-aminobutanoic acid",
      "codes": {
        "OpenEye": "Gaba",
        "PDB": "ABU"
      }
    },
    {
      "smiles": "[H:1]N(C)CCCC(=O)[OH:2]",
      "name": "4-(methylamino)butanoic acid",
      "codes": {
        "OpenEye": "NMeGaba"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCS[H:3])C(=O)[OH:2]",
      "name": "(2S)-2-amino-4-sulfanyl-butanoic acid",
      "codes": {
        "ChEMBL": "Hcy",
        "OpenEye": "Hcy",
        "PDB": "HCS"
      }
    },
    {
      "smiles": "[H:1]N1C[C@@H](C[C@H]1C(=O)[OH:2])O",
      "name": "(2S,4R)-4-hydroxypyrrolidine-2-carboxylic acid",
      "codes": {
        "ChEMBL": "Hyp",
        "OpenEye": "Hyp",
        "PDB": "HYP"
      }
    },
    {
      "smiles": "[H:1]N1C[C@@H](C[C@H]1C(=O)[OH:2])OC",
      "name": "(2S,4R)-4-methoxypyrrolidine-2-carboxylic acid",
      "codes": {
        "OpenEye": "Hyp(Me)"
      }
    },
    {
      "smiles": "[H:1]N1C[C@@H](C[C@H]1C(=O)[OH:2])OCC",
      "name": "(2S,4R)-4-ethoxypyrrolidine-2-carboxylic acid",
      "codes": {
        "OpenEye": "Hyp(Et)",
        "PDB": "ZNY"
      }
    },
    {
      "smiles": "[H:1]N[C@@](C)(CC)C(=O)[OH:2]",
      "name": "(2S)-2-amino-2-methyl-butanoic acid",
      "codes": {
        "ChEMBL": "Iva",
        "OpenEye": "Iva",
        "PDB": "6ZS"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccc2ccccc2c1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2-naphthyl)propanoic acid",
      "codes": {
        "ChEMBL": "Nal",
        "OpenEye": "Nal",
        "PDB": "NAL"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1ccc2ccccc2c1)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-(2-naphthyl)propanoic acid",
      "codes": {
        "ChEMBL": "dNal",
        "OpenEye": "dNal",
        "PDB": "4J2"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cccc2c1cccc2)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(1-naphthyl)propanoic acid",
      "codes": {
        "ChEMBL": "1-Nal",
        "OpenEye": "1Nal",
        "PDB": "ALN"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1cccc2c1cccc2)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-(1-naphthyl)propanoic acid",
      "codes": {
        "ChEMBL": "d1-Nal",
        "OpenEye": "d1Nal"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1ccc2ccccc2c1)C(=O)[OH:2]",
      "name": "(2S)-2-(methylamino)-3-(2-naphthyl)propanoic acid",
      "codes": {
        "ChEMBL": "Me_Nal",
        "OpenEye": "NMeNal"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@H](Cc1ccc2ccccc2c1)C(=O)[OH:2]",
      "name": "(2R)-2-(methylamino)-3-(2-naphthyl)propanoic acid",
      "codes": {
        "ChEMBL": "Me_dNal",
        "OpenEye": "dNMeNal"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCC)C(=O)[OH:2]",
      "name": "(2S)-2-aminohexanoic acid",
      "codes": {
        "ChEMBL": "Nle",
        "OpenEye": "Nle",
        "PDB": "NLE"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCCC)C(=O)[OH:2]",
      "name": "(2R)-2-aminohexanoic acid",
      "codes": {
        "ChEMBL": "dNle",
        "OpenEye": "dNle",
        "PDB": "DNE"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCC)C(=O)[OH:2]",
      "name": "(2S)-2-aminopentanoic acid",
      "codes": {
        "ChEMBL": "Nva",
        "OpenEye": "Nva",
        "PDB": "NVA"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CCC)C(=O)[OH:2]",
      "name": "(2R)-2-aminopentanoic acid",
      "codes": {
        "ChEMBL": "dNva",
        "OpenEye": "dNva",
        "PDB": "EE0"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CCC)C(=O)[OH:2]",
      "name": "(2S)-2-(methylamino)pentanoic acid",
      "codes": {
        "ChEMBL": "Me_Nva",
        "OpenEye": "NMeNva"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](CCCc1ccccc1)C(=O)[OH:2]",
      "name": "(2S)-2-(methylamino)-5-phenyl-pentanoic acid",
      "codes": {
        "OpenEye": "Nva(Ph)"
      }
    },
    {
      "smiles": "[H:1]N[C@H](C(=O)[OH:2])C(C)(C)C",
      "name": "(2S)-2-amino-3,3-dimethyl-butanoic acid",
      "codes": {
        "ChEMBL": "Tle",
        "OpenEye": "Tle",
        "PDB": "TBG"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C(=O)[OH:2])C(C)(C)C",
      "name": "(2R)-2-amino-3,3-dimethyl-butanoic acid",
      "codes": {
        "ChEMBL": "dTle",
        "OpenEye": "dTle",
        "PDB": "TDD"
      }
    },
    {
      "smiles": "[H:3]NCCC[C@@H](C(=O)[OH:2])N[H:1]",
      "name": "(2S)-2,5-diaminopentanoic acid",
      "codes": {
        "ChEMBL": "Orn",
        "OpenEye": "Orn",
        "PDB": "ORN"
      }
    },
    {
      "smiles": "[H:3]NCCC[C@H](C(=O)[OH:2])N[H:1]",
      "name": "(2R)-2,5-diaminopentanoic acid",
      "codes": {
        "ChEMBL": "dOrn",
        "OpenEye": "orn",
        "PDB": "ORD"
      }
    },
    {
      "smiles": "[H:1]N[C@H](C(=O)[OH:2])C(C)(C)S[H:3]",
      "name": "(2R)-2-amino-3-methyl-3-sulfanyl-butanoic acid",
      "codes": {
        "ChEMBL": "Pen",
        "OpenEye": "Pen",
        "PDB": "LE1"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](c1ccccc1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-2-phenyl-acetic acid",
      "codes": {
        "ChEMBL": "Phg",
        "OpenEye": "Phg",
        "PDB": "004"
      }
    },
    {
      "smiles": "[H:1]N[C@H](c1ccccc1)C(=O)[OH:2]",
      "name": "(RS)-2-amino-2-phenyl-acetic acid",
      "codes": {
        "ChEMBL": "dPhg",
        "OpenEye": "dPhg",
        "PDB": "PG9"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC#[CH:3])C(=O)[OH:2]",
      "name": "Propargylglycine",
      "codes": {
        "ChEMBL": "X73",
        "OpenEye": "Pra",
        "PDB": "LPH"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cscn1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-thiazol-4-yl-propanoic acid",
      "codes": {
        "ChEMBL": "Tza",
        "OpenEye": "Tza",
        "PDB": "KCJ"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cccs1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2-thienyl)propanoic acid",
      "codes": {
        "ChEMBL": "Thi",
        "OpenEye": "Thi",
        "PDB": "TIH"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1cccs1)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-(2-thienyl)propanoic acid",
      "codes": {
        "ChEMBL": "dThi",
        "OpenEye": "dThi"
      }
    },
    {
      "smiles": "[H:1]N1Cc2ccccc2C[C@H]1C(=O)[OH:2]",
      "name": "(3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid",
      "codes": {
        "ChEMBL": "Tic",
        "OpenEye": "Tic",
        "PDB": "DI8"
      }
    },
    {
      "smiles": "[H:1]N1Cc2ccccc2C[C@@H]1C(=O)[OH:2]",
      "name": "(3R)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid",
      "codes": {
        "ChEMBL": "dTic",
        "OpenEye": "dTic"
      }
    },
    {
      "smiles": "[H:1]N1CSC[C@H]1C(=O)[OH:2]",
      "name": "(4R)-thiazolidine-4-carboxylic acid",
      "codes": {
        "ChEMBL": "X670",
        "OpenEye": "Thz",
        "PDB": "PRS"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cn1ccc(=O)[nH]c1=O)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2,4-dioxopyrimidin-1-yl)propanoic acid",
      "codes": {
        "ChEMBL": "Wil",
        "OpenEye": "Wil",
        "PDB": "HWD"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccn1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(2-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "2-Pal",
        "OpenEye": "2Pal"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1ccccn1)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-(2-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "d2-Pal",
        "OpenEye": "d2Pal"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1cccnc1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(3-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "3-Pal",
        "OpenEye": "3Pal",
        "PDB": "1MH"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1cccnc1)C(=O)[OH:2]",
      "name": "(2E)-2-amino-3-(3-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "d3-Pal",
        "OpenEye": "d3Pal"
      }
    },
    {
      "smiles": "[H:1]N(C)[C@@H](Cc1cccnc1)C(=O)[OH:2]",
      "name": "(2R)-2-(aminomethyl)-3-(3-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "Me_3-Pal",
        "OpenEye": "NMe3Pal"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccncc1)C(=O)[OH:2]",
      "name": "(2S)-2-amino-3-(4-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "4-Pal",
        "OpenEye": "4Pal",
        "PDB": "N9P"
      }
    },
    {
      "smiles": "[H:1]N[C@H](Cc1ccncc1)C(=O)[OH:2]",
      "name": "(2R)-2-amino-3-(4-pyridyl)propanoic acid",
      "codes": {
        "ChEMBL": "d4-Pal",
        "OpenEye": "d4Pal"
      }
    },
    {
      "smiles": "[Cl:3]CC([OH:2])=O",
      "name": "2-chloroacetic acid",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "ClAc",
        "PDB": "R3W"
      }
    },
    {
      "smiles": "[H:1]N",
      "name": "amine",
      "monomer_type": "Terminal",
      "codes": {
        "ChEMBL": "am",
        "OpenEye": "am"
      }
    },
    {
      "smiles": "[H:1]NC",
      "name": "methanamine",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "NHMe"
      }
    },
    {
      "smiles": "[H:1]NCC",
      "name": "ethanamine",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "NHEt"
      }
    },
    {
      "smiles": "[H:1]N(C)C",
      "name": "dimethylamino",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "NMe2"
      }
    },
    {
      "smiles": "[H:1]NCc1ccccc1",
      "name": "phenylmethanamine",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "NHBn",
        "PDB": "271"
      }
    },
    {
      "smiles": "[H:1]C",
      "name": "c-terminal methyl",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Me"
      }
    },
    {
      "smiles": "[H:1]CC",
      "name": "c-terminal ethyl",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Et"
      }
    },
    {
      "smiles": "[H:1]OC",
      "name": "c-terminal methanol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "OMe"
      }
    },
    {
      "smiles": "[H:1]OCC",
      "name": "c-terminal ethanol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "OEt"
      }
    },
    {
      "smiles": "[H:1]OC(C)(C)C",
      "name": "c-terminal 2-methylpropan-2-ol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "OtBu",
        "PDB": "TBU"
      }
    },
    {
      "smiles": "[H:1]N1CCCCC1",
      "name": "c-terminal piperidine",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "-pip"
      }
    },
    {
      "smiles": "[H:1]N1CCCC1",
      "name": "c-terminal pyrrolidine",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "-pyrro"
      }
    },
    {
      "smiles": "[H:1]N1CCC1",
      "name": "c-terminal azetidine",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "-aze"
      }
    },
    {
      "smiles": "[H:1]OCc1ccccc1",
      "name": "c-terminal phenylmethanol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "OBn",
        "PDB": "ZK2"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C)CO",
      "name": "(2~{S})-2-aminopropan-1-ol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Ala-ol",
        "PDB": "2A1"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](C)C=O",
      "name": "(2~{S})-2-aminopropanal",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Ala-al",
        "PDB": "5XU"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CO)CS",
      "name": "(2R)-2-amino-3-sulfanyl-propan-1-ol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Cys-ol"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CS)C=O",
      "name": "(2R)-2-amino-3-sulfanyl-propanal",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Cys-al"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC(=O)O)CO",
      "name": "(3~{S})-3-amino-4-hydroxybutanoic acid",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Asp-ol",
        "PDB": "ASJ"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC(=O)O)C=O",
      "name": "(3~{S})-3-amino-4-oxobutanoic acid",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Asp-al",
        "PDB": "ASA"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1)CO",
      "name": "(2~{S})-2-amino-3-phenylpropan-1-ol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Phe-ol",
        "PDB": "PHL"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](Cc1ccccc1)C=O",
      "name": "(2~{S})-2-amino-3-phenylpropanal",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Phe-al",
        "PDB": "PHA"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCN)CO",
      "name": "(2~{S})-2,6-diaminohexan-1-ol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Lys-ol",
        "PDB": "LYJ"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CCCCN)C=O",
      "name": "(2~{S})-2,6-diaminohexanal",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Lys-al"
      }
    },
    {
      "smiles": "[H:1]N1CCC[C@H]1CO",
      "name": "[(2~{S})-pyrrolidin-2-yl]methanol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Pro-ol"
      }
    },
    {
      "smiles": "[H:1]N1CCC[C@H]1C=O",
      "name": "(2~{S})-pyrrolidine-2-carbaldehyde",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Pro-al",
        "PDB": "PRI"
      }
    },
    {
      "smiles": "[H:1]N[C@H](CO)C(C)C",
      "name": "L-Valinol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Val-ol",
        "PDB": "VOL"
      }
    },
    {
      "smiles": "[H:1]N[C@H](C=O)C(C)C",
      "name": "L-Valinal",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Val-al"
      }
    },
    {
      "smiles": "[H:1]NC(C)(C)CO",
      "name": "2-amino-2-methylpropan-1-ol",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Aib-ol"
      }
    },
    {
      "smiles": "[H:1]NC(C)(C)C=O",
      "name": "2-amino-2-methylpropanal",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Aib-al"
      }
    },
    {
      "smiles": "C(C(=O)[OH:2])O",
      "name": "2-hydroxyacetic acid",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Clc"
      }
    },
    {
      "smiles": "CC(=O)[OH:2]",
      "name": "acetic acid",
      "monomer_type": "Terminal",
      "codes": {
        "ChEMBL": "ac",
        "OpenEye": "Ac"
      }
    },
    {
      "smiles": "C[OH:2]",
      "name": "n-terminal methyl",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Me-"
      }
    },
    {
      "smiles": "CC[OH:2]",
      "name": "n-terminal ethyl",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Et-"
      }
    },
    {
      "smiles": "CS(=O)(=O)[OH:2]",
      "name": "n-terminal mesylate",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "MsO",
        "PDB": "03S"
      }
    },
    {
      "smiles": "c1ccc(cc1)COC(=O)[OH:2]",
      "name": "carboxybenzyl",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Cbz",
        "PDB": "P6S"
      }
    },
    {
      "smiles": "CCCC(=O)[OH:2]",
      "name": "butanoic acid",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Bua",
        "PDB": "BUA"
      }
    },
    {
      "smiles": "CC(C)(C)OC(=O)[OH:2]",
      "name": "tert-butyl hydrogen carbonate",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Boc",
        "PDB": "BOC"
      }
    },
    {
      "smiles": "c1ccc2c(c1)-c3ccccc3C2COC(=O)[OH:2]",
      "name": "9H-fluoren-9-ylmethyl hydrogen carbonate",
      "monomer_type": "Terminal",
      "codes": {
        "OpenEye": "Fmoc"
      }
    },
    {
      "smiles": "[H:1]O[C@@H](C(C)C)C(=O)[OH:2]",
      "name": "(2S)-2-hydroxy-4-methyl-pentanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "OVal",
        "PDB": "LHV"
      }
    },
    {
      "smiles": "[H:1]O[C@H](C(C)C)C(=O)[OH:2]",
      "name": "(2R)-2-hydroxy-4-methyl-pentanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "dOVal",
        "PDB": "VAD"
      }
    },
    {
      "smiles": "[H:1]NCCOCCOCCC(=O)[OH:2]",
      "name": "3-[2-(2-aminoethoxy)ethoxy]propanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "PEG2"
      }
    },
    {
      "smiles": "[H:1]NCCOCCOCCOCCC(=O)[OH:2]",
      "name": "3-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]propanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "PEG3",
        "PDB": "B0U"
      }
    },
    {
      "smiles": "[H:1]NCCOCCOCCOCCOCCC(=O)[OH:2]",
      "name": "3-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]propanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "PEG4",
        "PDB": "3V3"
      }
    },
    {
      "smiles": "[H:1]NCCOCCOCCOCCOCCOCCC(=O)[OH:2]",
      "name": "3-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "PEG5"
      }
    },
    {
      "smiles": "[H:1]NCCOCCOCCOCCOCCOCCOCCC(=O)[OH:2]",
      "name": "3-[2-[2-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "PEG6"
      }
    },
    {
      "smiles": "[H:1]N[C@@H](CC(F)F)C(=O)C(=O)[OH:2]",
      "polymer_type": "Chem",
      "codes": {
        "OpenEye": "FKI",
        "PDB": "FKI"
      }
    }
  ]
}