AF_AFO53185F1

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Probable homocysteine S-methyltransferase MmuM (S-methylmethionine:homocysteine methyltransferase) (Cysteine methyltransferase)	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity methyltransferase activity S-adenosylmethionine-homocysteine S-methyltransferase activity catalytic activity S-adenosylmethionine-dependent methyltransferase activity	methylation metabolic process cellular process S-methylmethionine cycle S-methylmethionine metabolic process modified amino acid metabolic process sulfur compound metabolic process	-

Chains	Accession	Name	Type
A	IPR051486	Homocysteine S-methyltransferase	Family
A	IPR017226	Betaine-homocysteine S-methyltransferase-like	Family
A	IPR003726	Homocysteine-binding domain	Domain
A	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.