1MEP

Crystal Structure of Streptavidin Double Mutant S45A/D128A with Biotin: Cooperative Hydrogen-Bond Interactions in the Streptavidin-Biotin System.


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
1.02003-09-02Initial release
1.12008-04-28Version format compliance
1.22011-07-13Version format compliance
1.32021-10-27Database references, Derived calculationsdatabase_2, struct_ref_seq_dif, struct_site
1.42024-02-14Data collection, Refinement descriptionchem_comp_atom, chem_comp_bond, pdbx_initial_refinement_model Download