Annotations: 5LAA

X-RAY STRUCTURE OF THE METHYLTRANSFERASE SUBUNIT A FROM METHANOTHERMUS FERVIDUS IN COMPLEX WITH COBALAMIN

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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)
C	SCOP2B Superfamily	MtrA-like	8090965	3002473	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	MtrA-like	8090965	3002473	SCOP2B (2022-06-29)
A	SCOP2 Family	MtrA-like	8045565	4004537	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MtrA-like	8090965	3002473	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)
C	TetR_N	e5laaC1	A: beta barrels	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: TetR_N	ECOD (v294.2)
B	TetR_N	e5laaB1	A: beta barrels	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: TetR_N	ECOD (v294.2)
A	TetR_N	e5laaA1	A: beta barrels	X: MocoBD/DmpA-related	H: MocoBD/DmpA-related	T: Retrovirus capsid protein-C	F: TetR_N	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF04208	Tetrahydromethanopterin S-methyltransferase, subunit A (MtrA)	Tetrahydromethanopterin S-methyltransferase, subunit A	-	Family
A, B	PF04208	Tetrahydromethanopterin S-methyltransferase, subunit A (MtrA)	Tetrahydromethanopterin S-methyltransferase, subunit A	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Tetrahydromethanopterin S-methyltransferase subunit A	cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding tetrahydromethanopterin S-methyltransferase activity monoatomic cation transmembrane transporter activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity sodium ion transmembrane transporter activity 5-methyl-5,6,7,8-tetrahydromethanopterin-dependent methyltransferase activity cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding tetrahydromethanopterin S-methyltransferase activity monoatomic cation transmembrane transporter activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity sodium ion transmembrane transporter activity 5-methyl-5,6,7,8-tetrahydromethanopterin-dependent methyltransferase activity monoatomic ion transmembrane transporter activity transporter activity methyltransferase activity metal ion transmembrane transporter activity catalytic activity transmembrane transporter 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 methanogenesis, from carbon dioxide 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 methanogenesis, from carbon dioxide anaerobic respiration small molecule metabolic process one-carbon metabolic process	cell periphery cellular anatomical structure plasma membrane membrane
A, B	Tetrahydromethanopterin S-methyltransferase subunit A	cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding tetrahydromethanopterin S-methyltransferase activity monoatomic cation transmembrane transporter activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity sodium ion transmembrane transporter activity 5-methyl-5,6,7,8-tetrahydromethanopterin-dependent methyltransferase activity cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding tetrahydromethanopterin S-methyltransferase activity monoatomic cation transmembrane transporter activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity sodium ion transmembrane transporter activity 5-methyl-5,6,7,8-tetrahydromethanopterin-dependent methyltransferase activity monoatomic ion transmembrane transporter activity transporter activity methyltransferase activity metal ion transmembrane transporter activity catalytic activity transmembrane transporter 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 methanogenesis, from carbon dioxide 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 methanogenesis, from carbon dioxide anaerobic respiration small molecule metabolic process one-carbon metabolic process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR005778	Tetrahydromethanopterin S-methyltransferase subunit A, MtrA	Family
C	IPR030688	Methyltransferase MtrA/MtxA	Family
A, B	IPR005778	Tetrahydromethanopterin S-methyltransferase subunit A, MtrA	Family
A, B	IPR030688	Methyltransferase MtrA/MtxA	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.