3N2I

2.25 Angstrom resolution crystal structure of a thymidylate kinase (tmk) from Vibrio cholerae O1 biovar eltor str. N16961 in complex with thymidine

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3n2ia_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Nucleotide and nucleoside kinases	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
B	d3n2ib_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Nucleotide and nucleoside kinases	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	P-loop nucleotide/nucleoside kinase-like	8058440	3002021	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	P-loop nucleotide/nucleoside kinase-like	8058440	3002021	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	Thymidylate_kin	e3n2iA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Thymidylate_kin	ECOD (1.6)
B	Thymidylate_kin	e3n2iB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Thymidylate_kin	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)
B	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, B	PF02223	Thymidylate kinase (Thymidylate_kin)	Thymidylate kinase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Thymidylate 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 thymidylate kinase activity nucleoside monophosphate kinase activity kinase activity transferase activity catalytic activity phosphotransferase activity, phosphate group as acceptor transferase activity, transferring phosphorus-containing groups	phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process pyrimidine deoxyribonucleotide metabolic process pyrimidine deoxyribonucleoside diphosphate metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process pyrimidine deoxyribonucleotide metabolic process pyrimidine deoxyribonucleoside diphosphate metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process pyrimidine deoxyribonucleotide biosynthetic process organic substance biosynthetic process small molecule metabolic process nucleoside phosphate metabolic process pyrimidine-containing compound metabolic process 2'-deoxyribonucleotide biosynthetic process primary metabolic process nucleotide metabolic process organic cyclic compound metabolic process deoxyribonucleoside diphosphate metabolic process nucleoside diphosphate metabolic process biosynthetic process pyrimidine deoxyribonucleoside diphosphate biosynthetic process organophosphate biosynthetic process organic cyclic compound biosynthetic process pyrimidine nucleoside diphosphate biosynthetic process nucleoside phosphate biosynthetic process dUDP biosynthetic process deoxyribose phosphate biosynthetic process pyrimidine nucleoside diphosphate metabolic process nucleoside diphosphate biosynthetic process organic substance metabolic process deoxyribonucleotide metabolic process nucleobase-containing small molecule metabolic process pyrimidine-containing compound biosynthetic process carbohydrate derivative biosynthetic process deoxyribonucleoside diphosphate biosynthetic process organonitrogen compound metabolic process 2'-deoxyribonucleotide metabolic process deoxyribose phosphate metabolic process nucleobase-containing compound biosynthetic process dUDP metabolic process organophosphate metabolic process pyrimidine nucleotide biosynthetic process dTDP metabolic process dTDP biosynthetic process pyrimidine deoxyribonucleoside triphosphate biosynthetic process dTTP biosynthetic process pyrimidine deoxyribonucleoside triphosphate metabolic process pyrimidine nucleoside triphosphate biosynthetic process pyrimidine nucleoside triphosphate metabolic process dTTP metabolic process nucleoside triphosphate biosynthetic process nucleoside triphosphate metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039430	Thymidylate kinase-like domain	Domain
A, B	IPR018094	Thymidylate kinase	Family
A, B	IPR018095	Thymidylate kinase, conserved site	Conserved Site
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.