1LTA

2.2 ANGSTROMS CRYSTAL STRUCTURE OF E. COLI HEAT-LABILE ENTEROTOXIN (LT) WITH BOUND GALACTOSE

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	1994-01-31	Initial release
1.1	2008-03-24		Version format compliance
1.2	2011-07-13		Version format compliance
1.3	2020-07-29	Remediation / Carbohydrate remediation	Data collection, Derived calculations, Other, Structure summary	chem_comp, entity, pdbx_chem_comp_identifier, pdbx_database_status, pdbx_entity_nonpoly, struct_site, struct_site_gen
1.4	2024-11-06		Data collection, Database references, Structure summary	chem_comp, chem_comp_atom, chem_comp_bond, database_2, pdbx_entry_details, pdbx_modification_feature	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.