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Literature summary extracted from

  • Jhee, K.H.; Niks, D.; McPhie, P.; Dunn, M.F.; Miles, E.W.
    Yeast cystathionine beta-synthase reacts with L-allothreonine, a non-natural substrate, and L-homocysteine to form a new amino acid, 3-methyl-L-cystathionine (2002), Biochemistry, 41, 1828-1835.
    View publication on PubMed

Organism

EC Number Organism UniProt Comment Textmining
4.2.1.22 Saccharomyces cerevisiae
-
-
-

Reaction

EC Number Reaction Comment Organism Reaction ID
4.2.1.22 L-serine + L-homocysteine = L-cystathionine + H2O mechanism Saccharomyces cerevisiae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.1.22 L-allothreonine + homocysteine
-
Saccharomyces cerevisiae ? + H2O
-
?
4.2.1.22 L-Serine + homocysteine
-
Saccharomyces cerevisiae Cystathionine + H2O
-
r
4.2.1.22 additional information no substrate: L-threonine Saccharomyces cerevisiae ?
-
?

Cofactor

EC Number Cofactor Comment Organism Structure
4.2.1.22 pyridoxal 5'-phosphate reacts with L-allothreonine to form a stable 3-methyl aminoacrylate intermediate Saccharomyces cerevisiae