1FNG

HISTOCOMPATIBILITY ANTIGEN

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	2001-03-07	Initial release
1.1	2007-10-16		Version format compliance
1.2	2011-07-13		Derived calculations, Version format compliance
1.3	2011-11-16		Atomic model
1.4	2017-08-23		Advisory, Refinement description, Source and taxonomy	entity_src_gen, pdbx_unobs_or_zero_occ_residues, software
1.5	2020-07-29	Remediation / Carbohydrate remediation	Data collection, Derived calculations, Structure summary	chem_comp, entity, pdbx_chem_comp_identifier, pdbx_entity_nonpoly, struct_site, struct_site_gen	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.