2QTF

Crystal structure of a GTP-binding protein from the hyperthermophilic archaeon Sulfolobus solfataricus

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ras-like P-loop GTPases	8019375	3002022	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	HflX N-terminal domain-like	8056949	3002367	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	MnmE_helical_2nd	e2qtfA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: MnmE_helical_2nd	ECOD (1.6)
A	GTP-bdg_N	e2qtfA2	A: a/b three-layered sandwiches	X: HflX family GTPase N-terminal domain (From Topology)	H: HflX family GTPase N-terminal domain (From Topology)	T: HflX family GTPase N-terminal domain	F: GTP-bdg_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.11060	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	GTPase HflX, N-terminal domain	CATH (4.3.0)
A	6.10.250.2860	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
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	PF01926	50S ribosome-binding GTPase (MMR_HSR1)	50S ribosome-binding GTPase	-	Family
A	PF13167	GTP-binding GTPase N-terminal (GTP-bdg_N)	GTP-binding GTPase N-terminal	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	GTP-binding protein	ribonucleoprotein complex binding protein-containing complex binding binding ribosome binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding ribonucleoprotein complex binding protein-containing complex binding binding ribosome binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding metal ion binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR030394	HflX-type guanine nucleotide-binding (G) domain	Domain
A	IPR042108	GTPase HflX, N-terminal domain superfamily	Homologous Superfamily
A	IPR032305	GTP-binding protein, middle domain	Domain
A	IPR016496	GTPase HflX	Family
A	IPR025121	GTPase HflX, N-terminal	Domain
A	IPR005225	Small GTP-binding protein domain	Domain
A	IPR006073	GTP binding domain	Domain
A	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.