6Q56

Crystal structure of the B. subtilis M1A22 tRNA methyltransferase TrmK

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	SCOP2 Family	m1A22 tRNA Methyltransferase TrmK-like	8090771	4005114	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090772	3000118	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090772	3000118	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090772	3000118	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090772	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	TrmK	e6q56A1	A: alpha bundles	X: Long alpha-hairpin	H: Helical hairpin in putative tRNA methyltransferase (From Topology)	T: Helical hairpin in putative tRNA methyltransferase	F: TrmK	ECOD (1.6)
A	Methyltransf_18	e6q56A2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_18	ECOD (1.6)
B	TrmK	e6q56B1	A: alpha bundles	X: Long alpha-hairpin	H: Helical hairpin in putative tRNA methyltransferase (From Topology)	T: Helical hairpin in putative tRNA methyltransferase	F: TrmK	ECOD (1.6)
B	Methyltransf_18	e6q56B2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_18	ECOD (1.6)
C	TrmK	e6q56C1	A: alpha bundles	X: Long alpha-hairpin	H: Helical hairpin in putative tRNA methyltransferase (From Topology)	T: Helical hairpin in putative tRNA methyltransferase	F: TrmK	ECOD (1.6)
C	Methyltransf_18	e6q56C2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_18	ECOD (1.6)
D	TrmK	e6q56D1	A: alpha bundles	X: Long alpha-hairpin	H: Helical hairpin in putative tRNA methyltransferase (From Topology)	T: Helical hairpin in putative tRNA methyltransferase	F: TrmK	ECOD (1.6)
D	Methyltransf_18	e6q56D2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_18	ECOD (1.6)

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 (utative)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (utative)
C	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (utative)
D	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF04816	tRNA (adenine(22)-N(1))-methyltransferase (TrmK)	tRNA (adenine(22)-N(1))-methyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	tRNA (adenine(22)-N(1))-methyltransferase	tRNA methyltransferase activity RNA methyltransferase activity tRNA (adenine(22)-N1)-methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA transferase activity S-adenosylmethionine-dependent methyltransferase activity tRNA (adenine) methyltransferase activity methyltransferase activity catalytic activity	methylation metabolic process cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process methylation metabolic process cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing cellular process macromolecule metabolic process RNA processing	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C, D	IPR006901	tRNA methyltransferase TrmK	Family

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 R01GM133198.