4RX3

A triple mutant in the omega-loop of TEM-1 beta-lactamase changes the substrate profile via a large conformational change and an altered general base for catalysis


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
1.02015-03-04Initial release
1.12015-03-11Database references
1.22015-05-06Database references
1.32017-11-22Refinement descriptionsoftware
1.42024-10-16Data collection, Database references, Derived calculations, Structure summarychem_comp_atom, chem_comp_bond, database_2, pdbx_entry_details, pdbx_modification_feature, struct_ref_seq_dif, struct_site Download