3HC8

Investigation of Aminopyridiopyrazinones as PDE5 Inhibitors: Evaluation of Modifications to the Central Ring 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
1.02009-07-07Initial release
1.12011-07-13Version format compliance
1.22017-06-21Advisory, Database references, Source and taxonomy, Structure summaryentity, entity_name_com, entity_src_gen, pdbx_distant_solvent_atoms, struct, struct_ref, struct_ref_seq, struct_ref_seq_dif
1.32017-11-01Refinement descriptionsoftware
1.42018-01-24Structure summaryaudit_author
1.52023-07-26Database references, Derived calculationscitation, database_2, pdbx_struct_conn_angle, struct_conn, struct_site Download