4GB1

Synthesis and Evaluation of Novel 3-C-alkylated-Neu5Ac2en Derivatives as Probes of Influenza Virus Sialidase 150-loop flexibility

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	2012-09-26	Initial release
1.1	2012-10-31		Database references
1.2	2018-01-24		Structure summary	audit_author	Download
2.0	2020-04-22		Atomic model, Data collection, Database references, Structure summary	atom_site, chem_comp, entity, struct_ref_seq_dif
2.1	2020-07-29	Remediation / Carbohydrate remediation	Derived calculations, Structure summary	chem_comp, entity, pdbx_entity_nonpoly, pdbx_struct_conn_angle, struct_conn, struct_site, struct_site_gen
2.2	2023-09-13		Data collection, Database references, Refinement description, Structure summary	chem_comp, chem_comp_atom, chem_comp_bond, database_2, pdbx_initial_refinement_model	Download

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.