Chains and Chain IDs: Difference between revisions
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Monomeric ligands and other non-polymers that are assigned the chain name of the associated polymer are always assigned the author-assigned polymer IDs, when the model is compatible with the PDB format -- and hence always get single-character names. | Monomeric ligands and other non-polymers that are assigned the chain name of the associated polymer are always assigned the author-assigned polymer IDs, when the model is compatible with the PDB format -- and hence always get single-character names. | ||
When the entry is not compatible with PDB format | When the entry is not compatible with PDB format because it has >62 chains, some author-assigned chain names will have at least two characters. | ||
wwPDB-assigned chain IDs are all '''upper case letters''', and follow this sequence: A-Z, AA-ZA, BA-ZA, ... AZ-ZZ, AAA-ZAA, ABA-ZBA, etc. | wwPDB-assigned chain IDs are all '''upper case letters''', and follow this sequence: A-Z, AA-ZA, BA-ZA, ... AZ-ZZ, AAA-ZAA, ABA-ZBA, etc. | ||
