3AXT | pdb_00003axt

Complex structure of tRNA methyltransferase Trm1 from Aquifex aeolicus with S-adenosyl-L-Methionine

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	S-adenosyl-L-methionine-dependent methyltransferases	8066095	3000118	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		e3axtA1	A: Alpha-beta plaits	X: Phage tail protein-like	H: Transmembrane protein 14A	T: FeoB_Cyto	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
A	3.30.56.70	Alpha Beta	2-Layer Sandwich	Phenylalanyl-tRNA Synthetase	Chain B, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02005	N2,N2-dimethylguanosine tRNA methyltransferase (TRM)	N2,N2-dimethylguanosine tRNA methyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Probable N(2),N(2)-dimethylguanosine tRNA methyltransferase Trm1	tRNA methyltransferase activity RNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid tRNA (guanine) methyltransferase activity catalytic activity, acting on a tRNA transferase activity S-adenosylmethionine-dependent methyltransferase activity tRNA (guanine(26)-N2/guanine(27)-N2)-dimethyltransferase activity N-methyltransferase activity methyltransferase activity catalytic activity cation binding tRNA methyltransferase activity RNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid tRNA (guanine) methyltransferase activity catalytic activity, acting on a tRNA transferase activity S-adenosylmethionine-dependent methyltransferase activity tRNA (guanine(26)-N2/guanine(27)-N2)-dimethyltransferase activity N-methyltransferase activity methyltransferase activity catalytic activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding RNA binding tRNA binding nucleic acid binding tRNA (guanine(26)-N2)-dimethyltransferase activity	RNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process tRNA processing tRNA N2-guanine methylation RNA processing tRNA modification primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation RNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process tRNA processing tRNA N2-guanine methylation 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	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A	IPR002905	tRNA methyltransferase, Trm1	Family
A	IPR022923	tRNA (guanine(26)-N(2))-dimethyltransferase, archaeal and bacterial	Family
A	IPR042296	tRNA methyltransferase, Trm1, C-terminal	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.