1U71

Understanding the Role of Leu22 Variants in Methotrexate Resistance: Comparison of Wild-type and Leu22Arg Variant Mouse and Human Dihydrofolate Reductase Ternary Crystal Complexes with Methotrexate and NADPH


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
1.02005-02-01Initial release
1.12008-04-30Version format compliance
1.22011-07-13Version format compliance
1.32021-10-20Database references, Derived calculationsdatabase_2, struct_ref_seq_dif, struct_site
1.42024-02-14Data collectionchem_comp_atom, chem_comp_bond
1.52024-04-03Refinement descriptionpdbx_initial_refinement_model Download