Silent Mutation Misclassification and Unrecorded Covalent Bonds in the Protein Data Bank
Sequence differences between deposited macromolecular models and their UniProt references are recorded in the mmCIF category _struct_ref_seq_dif, and intentional substitutions are expected to populate _entity_poly.pdbx_mutation, the field that structured queries read. When a substitution is not declared, the difference...