2J9I

Lengsin is a survivor of an ancient family of class I glutamine synthetases in eukaryotes that has undergone evolutionary re- engineering for a tissue-specific role in the vertebrate eye lens.

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	2006-12-13	Initial release
1.1	2013-08-07		Derived calculations, Other, Refinement description, Source and taxonomy, Version format compliance
1.2	2017-08-23		Data collection	em_image_scans, em_software
1.3	2019-10-23		Data collection, Other	cell
1.4	2024-05-08		Data collection, Database references, Refinement description	chem_comp_atom, chem_comp_bond, database_2, em_3d_fitting_list, 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 R01GM133198.