1EZI

Structure of a sialic acid activating synthetase, CMP acylneuraminate synthetase in the presence and absence of CDP

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	2001-02-14	Initial release
1.1	2008-04-27		Version format compliance
1.2	2011-07-13		Version format compliance
1.3	2018-01-31		Experimental preparation	exptl_crystal_grow
1.4	2024-10-30		Data collection, Database references, Derived calculations, Structure summary	chem_comp_atom, chem_comp_bond, database_2, pdbx_entry_details, pdbx_modification_feature, struct_conn, struct_ref_seq_dif	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.