1QMN

Alpha1-antichymotrypsin serpin in the delta conformation (partial loop insertion)

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 Number	Version Date	Version Type/Reason	Version Change	Revised CIF Category
1.0	2000-01-17	Initial release
1.1	2012-11-28		Database references, Derived calculations, Other, Refinement description, Structure summary, Version format compliance
1.2	2019-05-08		Data collection, Experimental preparation, Other	database_PDB_rev, database_PDB_rev_record, exptl_crystal_grow, pdbx_database_proc, pdbx_database_status
1.3	2023-12-13		Data collection, Database references, Other, Refinement description	chem_comp_atom, chem_comp_bond, database_2, pdbx_database_status, pdbx_initial_refinement_model	Download

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.