Annotations: 2QNE

Crystal structure of putative methyltransferase (ZP_00558420.1) from Desulfitobacterium hafniense Y51 at 2.30 A resolution

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)
B	SCOP2B Superfamily	Monomethylamine methyltransferase MtmB-like	8095827	3000983	SCOP2B (2022-06-29)
A	SCOP2 Family	Trimethylamine methyltransferase MTTB	8047956	4005889	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Monomethylamine methyltransferase MtmB-like	8095827	3000983	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)
B	CsrA	e2qneB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: CsrA	ECOD (v294.1)
A	HTH_3	e2qneA1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: HTH_3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.480	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Trimethylamine methyltransferase-like	CATH (4.3.0)
A	3.20.20.480	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Trimethylamine methyltransferase-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF06253	Trimethylamine methyltransferase (MTTB) (MTTB)	Trimethylamine methyltransferase (MTTB)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Putative methyltransferase	transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity	methylation metabolic process cellular process cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis hydrocarbon biosynthetic process anaerobic respiration methylation metabolic process cellular process cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis hydrocarbon biosynthetic process anaerobic respiration small molecule metabolic process one-carbon metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR010426	Trimethylamine methyltransferase	Family
A, B	IPR038601	MttB-like superfamily	Homologous Superfamily

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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.