3IXH

X-ray crystal structure of the extended-spectrum AmpC Y221G mutant beta-lactamase in complex with cefotaxime at 2.3 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
1.2	2011-08-24		Non-polymer description		Download
2.0	2018-09-19		Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary	atom_site, chem_comp, entity, pdbx_entity_nonpoly, pdbx_nonpoly_scheme, pdbx_validate_close_contact
2.1	2021-10-13		Database references	database_2, struct_ref_seq_dif
2.2	2024-02-21		Data collection	chem_comp_atom, chem_comp_bond	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.