5DMN | pdb_00005dmn

Crystal Structure of the Homocysteine Methyltransferase MmuM from Escherichia coli, Apo form

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	TFIIE_beta	e5dmnB1	A: alpha bundles	X: CBS-domain	H: Porins	T: Invertebrate chitin-binding proteins	F: TFIIE_beta	ECOD (develop294)
A	TFIIE_beta	e5dmnA1	A: alpha bundles	X: CBS-domain	H: Porins	T: Invertebrate chitin-binding proteins	F: TFIIE_beta	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.330	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Homocysteine-binding-like domain	CATH (4.3.0)
A	3.20.20.330	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Homocysteine-binding-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02574	Homocysteine S-methyltransferase (S-methyl_trans)	Homocysteine S-methyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Homocysteine S-methyltransferase	transferase activity, transferring one-carbon groups S-methylmethionine-homocysteine S-methyltransferase activity S-methyltransferase activity transferase activity methyltransferase activity catalytic activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding S-adenosylmethionine-homocysteine S-methyltransferase activity transferase activity, transferring one-carbon groups S-methylmethionine-homocysteine S-methyltransferase activity S-methyltransferase activity transferase activity methyltransferase activity catalytic activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding S-adenosylmethionine-homocysteine S-methyltransferase activity S-adenosylmethionine-dependent methyltransferase activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process methylation metabolic process S-methylmethionine metabolic process modified amino acid metabolic process sulfur compound metabolic process S-methylmethionine cycle	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR051486	Homocysteine S-methyltransferase	Family
A, B	IPR017226	Betaine-homocysteine S-methyltransferase-like	Family
A, B	IPR003726	Homocysteine-binding domain	Domain
A, B	IPR036589	Homocysteine-binding domain superfamily	Homologous Superfamily

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.