6AW9

2.55A resolution structure of SAH bound catechol O-methyltransferase (COMT) L136M from Nannospalax galili

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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	d6aw9a_	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	COMT-like	automated matches	(Nannospalax galili ) [TaxId: 1026970 ],	SCOPe (2.08)
B	d6aw9b_	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	COMT-like	automated matches	(Nannospalax galili ) [TaxId: 1026970 ],	SCOPe (2.08)
C	d6aw9c_	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	COMT-like	automated matches	(Nannospalax galili ) [TaxId: 1026970 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01596	e6aw9A1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01596	ECOD (1.6)
B	PF01596	e6aw9B1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01596	ECOD (1.6)
C	PF01596	e6aw9C1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01596	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 (4.3.0)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF01596	O-methyltransferase (Methyltransf_3)	O-methyltransferase	Members of this family are O-methyltransferases. The family includes catechol o-methyltransferase Swiss:P21964, caffeoyl-CoA O-methyltransferase Swiss:Q43095 and a family of bacterial O-methyltransferases that may be involved in antibiotic production ...	Members of this family are O-methyltransferases. The family includes catechol o-methyltransferase Swiss:P21964, caffeoyl-CoA O-methyltransferase Swiss:Q43095 and a family of bacterial O-methyltransferases that may be involved in antibiotic production [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Catechol O-methyltransferase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding O-methyltransferase activity transferase activity, transferring one-carbon groups catechol O-methyltransferase activity transferase activity methyltransferase activity catalytic activity S-adenosylmethionine-dependent methyltransferase activity	methylation metabolic process organic cyclic compound metabolic process amine metabolic process organic substance metabolic process organonitrogen compound metabolic process catecholamine metabolic process phenol-containing compound metabolic process organic hydroxy compound metabolic process catechol-containing compound metabolic process biogenic amine metabolic process	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR017128	Catechol O-methyltransferase, eukaryotic	Family
A, B, C	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C	IPR002935	Class I-like SAM-dependent O-methyltransferase	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.