1XQI

Crystal Structure Analysis of an NDP kinase from Pyrobaculum aerophilum

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	d1xqia1	Alpha and beta proteins (a+b)	Ferredoxin-like	Nucleoside diphosphate kinase, NDK	Nucleoside diphosphate kinase, NDK	Nucleoside diphosphate kinase, NDK	(Pyrobaculum aerophilum ) [TaxId: 13773 ],	SCOPe (2.08)
B	d1xqib_	Alpha and beta proteins (a+b)	Ferredoxin-like	Nucleoside diphosphate kinase, NDK	Nucleoside diphosphate kinase, NDK	Nucleoside diphosphate kinase, NDK	(Pyrobaculum aerophilum ) [TaxId: 13773 ],	SCOPe (2.08)
C	d1xqic_	Alpha and beta proteins (a+b)	Ferredoxin-like	Nucleoside diphosphate kinase, NDK	Nucleoside diphosphate kinase, NDK	Nucleoside diphosphate kinase, NDK	(Pyrobaculum aerophilum ) [TaxId: 13773 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Nucleoside diphosphate kinase NDK	8021479	4001261	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleoside diphosphate kinase NDK	8033859	3001175	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Nucleoside diphosphate kinase NDK	8033859	3001175	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nucleoside diphosphate kinase NDK	8033859	3001175	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	NDK	e1xqiA1	A: a+b two layers	X: Alpha-beta plaits	H: Nucleoside diphosphate kinases (From Topology)	T: Nucleoside diphosphate kinases	F: NDK	ECOD (1.6)
B	NDK	e1xqiB1	A: a+b two layers	X: Alpha-beta plaits	H: Nucleoside diphosphate kinases (From Topology)	T: Nucleoside diphosphate kinases	F: NDK	ECOD (1.6)
C	NDK	e1xqiC1	A: a+b two layers	X: Alpha-beta plaits	H: Nucleoside diphosphate kinases (From Topology)	T: Nucleoside diphosphate kinases	F: NDK	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.141	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Nucleoside diphosphate kinase-like domain	CATH (4.3.0)
B	3.30.70.141	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Nucleoside diphosphate kinase-like domain	CATH (4.3.0)
C	3.30.70.141	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Nucleoside diphosphate kinase-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00334	Nucleoside diphosphate kinase (NDK)	Nucleoside diphosphate kinase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Nucleoside diphosphate 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 kinase activity transferase activity catalytic activity phosphotransferase activity, phosphate group as acceptor nucleoside diphosphate kinase activity transferase activity, transferring phosphorus-containing groups cation binding metal ion binding	phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process nucleoside phosphate metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process nucleoside phosphate metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR023005	Nucleoside diphosphate kinase, active site	Active Site
A, B, C	IPR034907	Nucleoside diphosphate kinase-like domain	Domain
A, B, C	IPR036850	Nucleoside diphosphate kinase-like domain superfamily	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.