1PD9

Analysis of Three Crystal Structure Determinations of a 5-Methyl-6-N-Methylanilino Pyridopyrimidine antifolate Complex with Human Dihydrofolate Reductase


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
1.02003-12-09Initial release
1.12008-04-29Version format compliance
1.22011-07-13Version format compliance
1.32023-08-16Data collection, Database references, Derived calculations, Refinement descriptionchem_comp_atom, chem_comp_bond, database_2, pdbx_initial_refinement_model, struct_site Download