The OERibbonType namespace is used to tell the OEMakeProteinRibbonSurface function what style of ribbon to create.
See also
CAlpha
The ribbon is created to follow the protein backbone alpha carbons, and its helix and sheet regions will have elliptical cross-sections.
Pretty
The ribbon is created to follow the protein backbone peptide bonds, and its helix and sheet regions will have rectangular cross-sections. Ribbons created with this type tend to have a smoother, less wavy appearance.
The default ribbon type is OERibbonType.CAlpha.