3IWO

X-ray crystal structure of the extended-spectrum AmpC Y221G mutant beta-lactamase at 1.90 Angstrom resolution

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 Number	Version Date	Version Type/Reason	Version Change	Revised CIF Category
1.0	2010-02-16	Initial release
1.1	2011-07-13		Version format compliance		Download
2.0	2020-07-29	Remediation / Carbohydrate remediation	Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary	atom_site, chem_comp, entity, entity_name_com, pdbx_branch_scheme, pdbx_chem_comp_identifier, pdbx_entity_branch, pdbx_entity_branch_descriptor, pdbx_entity_branch_link, pdbx_entity_branch_list, pdbx_entity_nonpoly, pdbx_molecule_features, pdbx_nonpoly_scheme, pdbx_struct_assembly_gen, pdbx_validate_close_contact, struct_asym, struct_conn, struct_site, struct_site_gen
2.1	2021-10-13		Database references, Structure summary	chem_comp, database_2, struct_ref_seq_dif
2.2	2023-09-06		Data collection, Refinement description	chem_comp_atom, chem_comp_bond, pdbx_initial_refinement_model	Download

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.