2ZQ8

Apo structure of class a beta-lactamase Toho-1 R274N/R276N double mutant


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
1.02009-07-28Initial release
1.12011-07-13Version format compliance
1.22021-11-10Database references, Derived calculationsdatabase_2, pdbx_struct_special_symmetry, struct_ref_seq_dif, struct_site
1.32023-11-01Data collection, Refinement descriptionchem_comp_atom, chem_comp_bond, pdbx_initial_refinement_model Download