3MRA

M3 TRANSMEMBRANE SEGMENT OF ALPHA-SUBUNIT OF NICOTINIC ACETYLCHOLINE RECEPTOR FROM TORPEDO CALIFORNICA, NMR, 15 STRUCTURES

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	1998-01-21	Initial release
1.1	2008-03-25		Version format compliance
1.2	2011-07-13		Version format compliance
1.3	2021-01-13		Database references, Derived calculations, Other, Source and taxonomy, Structure summary	entity, entity_src_gen, pdbx_database_status, pdbx_entity_src_syn, pdbx_struct_assembly, pdbx_struct_oper_list, struct_ref
1.4	2024-05-01		Data collection, Database references	chem_comp_atom, chem_comp_bond, database_2	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 R01GM133198.