3KU1 | pdb_00003ku1

Crystal structure of Streptococcus pneumoniae Sp1610, a putative tRNA (m1A22) methyltransferase, in complex 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)
H	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	SCOP2B (2022-06-29)
A	SCOP2 Family	m1A22 tRNA Methyltransferase TrmK-like	8046488	4005114	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8090769	3000118	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)
H	FmrO	e3ku1H1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
G	FmrO	e3ku1G1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
F	FmrO	e3ku1F1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
E	FmrO	e3ku1E1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
D	FmrO	e3ku1D1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
C	FmrO	e3ku1C1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
B	FmrO	e3ku1B1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)
A	FmrO	e3ku1A1	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: FmrO	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
H	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
G	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
G	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
F	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
F	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
E	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
E	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
D	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
D	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
C	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
C	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
B	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
A	1.10.287.1890	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	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, E A, B, C, D, E, F, G, H	SAM-dependent 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 process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.