Annotations: 3FQ6

The crystal structure of a methyltransferase domain from Bacteroides thetaiotaomicron VPI

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	TP_methylase	e3fq6B1	A: beta barrels	X: Tetrapyrrole methylase C-terminal domain-like	H: Tetrapyrrole methylase C-terminal domain	T: Tetrapyrrole methylase C-terminal domain	F: TP_methylase	ECOD (v294.2)
A	Peptidase_M60	e3fq6A1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Peptidase_M60	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.950.10	Alpha Beta	2-Layer Sandwich	Methyltransferase, Cobalt-precorrin-4 Transmethylase	Domain 2	CATH (4.3.0)
A	3.30.950.10	Alpha Beta	2-Layer Sandwich	Methyltransferase, Cobalt-precorrin-4 Transmethylase	Domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00590	Tetrapyrrole (Corrin/Porphyrin) Methylases (TP_methylase)	Tetrapyrrole (Corrin/Porphyrin) Methylases	This family uses S-AdoMet in the methylation of diverse substrates. This family includes a related group of bacterial proteins of unknown function, including Swiss:P45528. This family includes the methylase Dipthine synthase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Methyltransferase	rRNA (cytosine-2'-O-ribose)-methyltransferase activity RNA methyltransferase activity O-methyltransferase activity rRNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity catalytic activity, acting on a rRNA S-adenosylmethionine-dependent methyltransferase activity methyltransferase activity catalytic activity rRNA (cytosine) methyltransferase activity RNA 2'-O-methyltransferase activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018063	SAM-dependent methyltransferase RsmI, conserved site	Conserved Site
A, B	IPR035996	Tetrapyrrole methylase superfamily	Homologous Superfamily
A, B	IPR014777	Tetrapyrrole methylase, subdomain 1	Homologous Superfamily
A, B	IPR014776	Tetrapyrrole methylase, subdomain 2	Homologous Superfamily
A, B	IPR000878	Tetrapyrrole methylase	Domain
A, B	IPR008189	rRNA small subunit methyltransferase I	Family

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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.