Annotations: 3QQ5

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	50S ribosome-binding GTPase-like	8019310	4004038	SCOP2 (2022-06-29)
A	SCOP2 Family	HydF C-terminal region	8019314	4004040	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ras-like P-loop GTPases	8019311	3002022	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HydF C-terminal region	8019815	3002035	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	GTP_HydF_1st	e3qq5A2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: GTP_HydF_1st	ECOD (1.6)
A	GTP_HydF_2nd	e3qq5A3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: GTP_HydF_2nd	ECOD (1.6)
A	MnmE_helical_2nd	e3qq5A1	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)

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 (4.2.0)
A	3.40.50.11420	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.2.0)
A	3.40.50.11410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Small GTP-binding protein	binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	RNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process tRNA processing RNA processing tRNA modification primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation tRNA metabolic process RNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process tRNA processing RNA processing tRNA modification primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation tRNA metabolic process RNA modification biosynthetic process methylation macromolecule modification metabolic process cellular process macromolecule metabolic process RNA methylation tRNA methylation tRNA wobble uridine modification tRNA wobble base modification	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005225	Small GTP-binding domain	Domain
A	IPR041606	Hydrogen maturase F dimerization domain	Domain
A	IPR023873	[FeFe]-hydrogenase H-cluster maturation GTPase HydF	Family
A	IPR040644	Hydrogen maturase F, tetramerization 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 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.