The Enzyme Database

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Accepted name: S-adenosyl-L-methionine hydrolase (adenosine-forming)
Reaction: S-adenosyl-L-methionine + H2O = adenosine + L-methionine
Other name(s): SAM hydroxide adenosyltransferase
Systematic name: S-adenosyl-L-methionine hydrolase (adenosine-forming)
Comments: The enzyme, found in bacteria and archaea, catalyses a nucleophilic attack of water at the C5′ carbon of S-adenosyl-L-methionine to generate adenosine and L-methionine. May be involved in regulating SAM levels in the cell. cf. EC, S-adenosyl-L-methionine hydrolase (L-homoserine-forming).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Eustaquio, A.S., Harle, J., Noel, J.P. and Moore, B.S. S-Adenosyl-L-methionine hydrolase (adenosine-forming), a conserved bacterial and archaeal protein related to SAM-dependent halogenases. ChemBioChem 9 (2008) 2215–2219. [DOI] [PMID: 18720493]
2.  Deng, H., McMahon, S.A., Eustaquio, A.S., Moore, B.S., Naismith, J.H. and O'Hagan, D. Mechanistic insights into water activation in SAM hydroxide adenosyltransferase (duf-62). ChemBioChem 10 (2009) 2455–2459. [DOI] [PMID: 19739191]
[EC created 2018]

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