Biology:(cytochrome c)-methionine S-methyltransferase
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Short description: Class of enzymes
[cytochrome c]-methionine S-methyltransferase | |||||||||
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Identifiers | |||||||||
EC number | 2.1.1.123 | ||||||||
CAS number | 93585-98-9 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, a [cytochrome-c]-methionine S-methyltransferase (EC 2.1.1.123) is an enzyme that catalyzes the chemical reaction
- S-adenosyl-L-methionine + [cytochrome c]-methionine [math]\displaystyle{ \rightleftharpoons }[/math] S-adenosyl-L-homocysteine + [cytochrome c]-S-methyl-methionine
Thus, the two substrates of this enzyme are S-adenosyl methionine and cytochrome c methionine, whereas its two products are S-adenosylhomocysteine and cytochrome c-S-methyl-methionine.
This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:[cytochrome c]-methionine S-methyltransferase.
References
- "Purification and characterization of enzymes from Euglena gracilis that methylate methionine and arginine residues of cytochrome c". J. Biol. Chem. 260 (1): 537–45. 1985. PMID 2981218.
![]() | Original source: https://en.wikipedia.org/wiki/(cytochrome c)-methionine S-methyltransferase.
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