2Y6P

Evidence for a Two-Metal-Ion-Mechanism in the Kdo- Cytidylyltransferase KdsB

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d2y6pa_	Alpha and beta proteins (a/b)	Nucleotide-diphospho-sugar transferases	Nucleotide-diphospho-sugar transferases	automated matches	automated matches	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)
B	d2y6pb_	Alpha and beta proteins (a/b)	Nucleotide-diphospho-sugar transferases	Nucleotide-diphospho-sugar transferases	automated matches	automated matches	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)
C	d2y6pc_	Alpha and beta proteins (a/b)	Nucleotide-diphospho-sugar transferases	Nucleotide-diphospho-sugar transferases	automated matches	automated matches	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Cytidylytransferase	8072320	4002789	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleotide-diphospho-sugar transferases	8072321	3000077	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Nucleotide-diphospho-sugar transferases	8072321	3000077	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nucleotide-diphospho-sugar transferases	8072321	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	CTP_transf_3	e2y6pA1	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: CTP_transf_3	ECOD (1.6)
B	CTP_transf_3	e2y6pB1	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: CTP_transf_3	ECOD (1.6)
C	CTP_transf_3	e2y6pC1	A: a/b three-layered sandwiches	X: Nucleotide-diphospho-sugar transferases (From Topology)	H: Nucleotide-diphospho-sugar transferases (From Topology)	T: Nucleotide-diphospho-sugar transferases	F: CTP_transf_3	ECOD (1.6)

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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF02348	Cytidylyltransferase (CTP_transf_3)	Cytidylyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	3-DEOXY-MANNO-OCTULOSONATE CYTIDYLYLTRANSFERASE	cytidylyltransferase activity 3-deoxy-manno-octulosonate cytidylyltransferase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups	lipopolysaccharide biosynthetic process carbohydrate derivative biosynthetic process carbohydrate metabolic process polysaccharide biosynthetic process cellular biosynthetic process carbohydrate biosynthetic process cellular metabolic process liposaccharide metabolic process lipid biosynthetic process carbohydrate derivative metabolic process primary metabolic process macromolecule biosynthetic process lipopolysaccharide metabolic process polysaccharide metabolic process biosynthetic process lipopolysaccharide biosynthetic process carbohydrate derivative biosynthetic process carbohydrate metabolic process polysaccharide biosynthetic process cellular biosynthetic process carbohydrate biosynthetic process cellular metabolic process liposaccharide metabolic process lipid biosynthetic process carbohydrate derivative metabolic process primary metabolic process macromolecule biosynthetic process lipopolysaccharide metabolic process polysaccharide metabolic process biosynthetic process metabolic process cellular process macromolecule metabolic process lipid metabolic process CMP-keto-3-deoxy-D-manno-octulosonic acid biosynthetic process nucleoside phosphate metabolic process nucleotide-sugar metabolic process nucleobase-containing compound biosynthetic process CMP-keto-3-deoxy-D-manno-octulosonic acid metabolic process nucleobase-containing compound metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate biosynthetic process small molecule metabolic process phosphorus metabolic process nucleotide-sugar biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR004528	3-deoxy-D-manno-octulosonate cytidylyltransferase	Family
A, B, C	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily
A, B, C	IPR003329	Acylneuraminate cytidylyltransferase	Family

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.