2AI3

Purine nucleoside phosphorylase from calf spleen


Changes made to a PDB entry after its initial release are considered to be either “major” or “minor”. The latest minor version of each major version is available as a file download. More information about the PDB versioning is available.


Version NumberVersion DateVersion Type/Reason Version ChangeRevised CIF Category
1.02005-10-25Initial release
1.12008-04-30Version format compliance
1.22011-07-13Derived calculations, Version format compliance
1.32023-08-23Data collection, Database references, Derived calculations, Refinement description, Structure summarychem_comp, chem_comp_atom, chem_comp_bond, database_2, entity, pdbx_entity_nonpoly, pdbx_initial_refinement_model, pdbx_struct_conn_angle, pdbx_struct_special_symmetry, struct_conn, struct_site Download