1WCQ

Mutagenesis of the Nucleophilic Tyrosine in a Bacterial Sialidase to Phenylalanine.

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	2005-10-12	Initial release
1.1	2011-07-13		Advisory, Version format compliance
1.2	2020-07-29	Remediation / Carbohydrate remediation	Data collection, Derived calculations, Other	chem_comp, pdbx_database_status, pdbx_struct_conn_angle, struct_conn, struct_site, struct_site_gen
1.3	2023-12-13		Data collection, Database references, Refinement description, Structure summary	chem_comp, chem_comp_atom, chem_comp_bond, database_2, pdbx_initial_refinement_model
1.4	2024-10-23		Structure summary	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.