Annotations: 6CKL

N. meningitidis CMP-sialic acid synthetase in the presence of CMP and Neu5Ac2en

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6ckla_	Alpha and beta proteins (a/b)	Nucleotide-diphospho-sugar transferases	Nucleotide-diphospho-sugar transferases	Cytidylytransferase	CMP acylneuraminate synthetase	(Neisseria meningitidis ) [TaxId: 487 ],	SCOPe (2.08)
B	d6cklb_	Alpha and beta proteins (a/b)	Nucleotide-diphospho-sugar transferases	Nucleotide-diphospho-sugar transferases	Cytidylytransferase	CMP acylneuraminate synthetase	(Neisseria meningitidis ) [TaxId: 487 ],	SCOPe (2.08)
C	d6cklc_	Alpha and beta proteins (a/b)	Nucleotide-diphospho-sugar transferases	Nucleotide-diphospho-sugar transferases	Cytidylytransferase	CMP acylneuraminate synthetase	(Neisseria meningitidis ) [TaxId: 487 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nucleotide-diphospho-sugar transferases	8032416	3000077	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nucleotide-diphospho-sugar transferases	8032416	3000077	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nucleotide-diphospho-sugar transferases	8032416	3000077	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	La	e6cklA1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: La	ECOD (v294.2)
B	La	e6cklB1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: La	ECOD (v294.2)
C	La	e6cklC1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: La	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.550.10	Alpha Beta	Alpha-Beta Complex	Spore Coat Polysaccharide Biosynthesis Protein SpsA	Chain A	CATH (4.3.0)
B	3.90.550.10	Alpha Beta	Alpha-Beta Complex	Spore Coat Polysaccharide Biosynthesis Protein SpsA	Chain A	CATH (4.3.0)
C	3.90.550.10	Alpha Beta	Alpha-Beta Complex	Spore Coat Polysaccharide Biosynthesis Protein SpsA	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	N-acylneuraminate cytidylyltransferase	N-acylneuraminate cytidylyltransferase activity cytidylyltransferase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups	-	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR050793	CMP-NeuNAc synthase	Family
A, B, C	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily
A, B, C	IPR003329	Acylneuraminate cytidylyltransferase	Family

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.