5L8X

X-RAY STRUCTURE OF APO METHANOCALDOCOCCUS JANNASCHII METHYLTRANSFERASE SUBUNIT A AT 1.85 ANGSTROM

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)
A	SCOP2 Family	MtrA-like	8045566	4004537	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MtrA-like	8090966	3002473	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	MtrA-like	8090966	3002473	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	MtrA	e5l8xA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Tetrahydromethanopterin S-methyltransferase subunit A (From Topology)	T: Tetrahydromethanopterin S-methyltransferase subunit A	F: MtrA	ECOD (1.6)
B	MtrA	e5l8xB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Tetrahydromethanopterin S-methyltransferase subunit A (From Topology)	T: Tetrahydromethanopterin S-methyltransferase subunit A	F: MtrA	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04208	Tetrahydromethanopterin S-methyltransferase, subunit A (MtrA)	Tetrahydromethanopterin S-methyltransferase, subunit A	-	Family
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
A	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 transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity methyltransferase activity catalytic activity 5-methyl-5,6,7,8-tetrahydromethanopterin-dependent methyltransferase activity	methylation metabolic process cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process methylation metabolic process cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration small molecule metabolic process one-carbon metabolic process localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery plasma membrane membrane cellular anatomical entity
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 transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity methyltransferase activity catalytic activity 5-methyl-5,6,7,8-tetrahydromethanopterin-dependent methyltransferase activity	methylation metabolic process cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process methylation metabolic process cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration small molecule metabolic process one-carbon metabolic process localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.