2YY8

Crystal structure of archaeal tRNA-methylase for position 56 (aTrm56) from Pyrococcus horikoshii, complexed with S-adenosyl-L-methionine

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2yy8a_	Alpha and beta proteins (a/b)	alpha/beta knot	alpha/beta knot	automated matches	automated matches	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d2yy8b_	Alpha and beta proteins (a/b)	alpha/beta knot	alpha/beta knot	automated matches	automated matches	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Trm56-like	8063987	4002167	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	alpha/beta knot	8063988	3001122	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	alpha/beta knot	8063988	3001122	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	Trm56	e2yy8A1	A: a/b three-layered sandwiches	X: alpha/beta knot (From Topology)	H: alpha/beta knot (From Topology)	T: alpha/beta knot	F: Trm56	ECOD (1.6)
B	Trm56	e2yy8B1	A: a/b three-layered sandwiches	X: alpha/beta knot (From Topology)	H: alpha/beta knot (From Topology)	T: alpha/beta knot	F: Trm56	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1280.10	Alpha Beta	3-Layer(aba) Sandwich	Alpha/beta knot	SPOUT methyltransferase, trefoil knot domain	CATH (4.3.0)
B	3.40.1280.10	Alpha Beta	3-Layer(aba) Sandwich	Alpha/beta knot	SPOUT methyltransferase, trefoil knot domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01994	tRNA ribose 2'-O-methyltransferase, aTrm56 (Trm56)	tRNA ribose 2'-O-methyltransferase, aTrm56	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	UPF0106 protein PH0461	tRNA methyltransferase activity RNA methyltransferase activity catalytic activity, acting on RNA tRNA (cytidine) methyltransferase activity 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 (cytidine(56)-2'-O)-methyltransferase activity methyltransferase activity catalytic activity	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 tRNA nucleoside ribose methylation RNA modification biosynthetic process methylation macromolecule modification metabolic process cellular process macromolecule metabolic process RNA methylation tRNA methylation	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR029026	tRNA (guanine-N1-)-methyltransferase, N-terminal	Homologous Superfamily
A, B	IPR029028	Alpha/beta knot methyltransferases	Homologous Superfamily
A, B	IPR002845	tRNA ribose 2'-O-methyltransferase, aTrm56	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.