1Q3T

Solution structure and function of an essential CMP kinase of Streptococcus pneumoniae

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	d1q3ta_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Nucleotide and nucleoside kinases	CMP kinase	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Adenylate kinase-like	8058371	4004025	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	P-loop nucleotide/nucleoside kinase-like	8058372	3002021	SCOP2 (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	Cytidylate_kin_3	e1q3tA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytidylate_kin_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02224	Cytidylate kinase (Cytidylate_kin)	Cytidylate kinase	Cytidylate kinase EC:2.7.4.14 catalyses the phosphorylation of cytidine 5'-monophosphate (dCMP) to cytidine 5'-diphosphate (dCDP) in the presence of ATP or GTP.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cytidylate kinase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nucleobase-containing compound kinase activity nucleoside monophosphate kinase activity kinase activity (d)CMP kinase activity transferase activity CMP kinase activity catalytic activity phosphotransferase activity, phosphate group as acceptor transferase activity, transferring phosphorus-containing groups dCMP kinase activity	phosphorylation phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process nucleoside phosphate metabolic process pyrimidine-containing compound metabolic process primary metabolic process nucleotide metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process phosphorylation phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process nucleoside phosphate metabolic process pyrimidine-containing compound metabolic process primary metabolic process nucleotide metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process nucleobase-containing small molecule interconversion	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003136	Cytidylate kinase	Family
A	IPR011994	Cytidylate kinase domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.