4Y27

E.coli 23S Sarcin-Ricil Loop, modified with a 2-Me on G2661 and a methylphosphonate on A2662

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	2015-11-18	Initial release			Download
2.0	2019-05-15		Advisory, Atomic model, Data collection, Derived calculations, Polymer sequence, Structure summary	atom_site, atom_site_anisotrop, chem_comp, entity, entity_poly, ndb_struct_na_base_pair, ndb_struct_na_base_pair_step, pdbx_distant_solvent_atoms, pdbx_nonpoly_scheme, pdbx_seq_map_depositor_info, struct_conn
2.1	2024-01-10		Data collection, Database references, Refinement description	chem_comp_atom, chem_comp_bond, database_2, 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.