This namespace contains the following SD tags attached to
components returned by
various properties. Any other roles a component is associated with
are also be assigned SD tags (with a value of
These SD tags can be removed with the function
Identifies a covalent ligand or cofactor.
for backward compatibility.
The sequence number of the molecular component in the order it was identified in the source molecule.
Prefix for all SD tags used when splitting molecular complexes.
The component is associated with at least one binding site. The value is the sequence number of the binding site(s).
The component is a surface water. The value is the sequence number of the associated binding site(s).