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EC 2.3.3.17 Details
EC number
2.3.3.17
Accepted name
methylthioalkylmalate synthase
Reaction
an ω-(methylsulfanyl)-2-oxoalkanoate + acetyl-CoA + H2O = a 2-[ω-(methylsulfanyl)alkyl]malate + CoA
Other name(s)
MAM1 (gene name), MAM3 (gene name), acetyl-CoA:ω-(methylthio)-2-oxoalkanoate C-acetyltransferase
Systematic name
acetyl-CoA:ω-(methylsulfanyl)-2-oxoalkanoate C-acetyltransferase
Comment
The enzyme, characterized from the plant Arabidopsis thaliana, is involved in the L-methionine side-chain elongation pathway, forming substrates for the biosynthesis of aliphatic glucosinolates. Two forms are known - MAM1 catalyses only only the first two rounds of methionine chain elongation, while MAM3 catalyses all six cycles, up to formation of L-hexahomomethionine.
History
created 2016
EC Tree
1.1.3.1 created 1961, deleted 1984
1.1.3.22 created 1961 as EC 1.2.3.2, transferred 1984 to EC 1.1.3.22, modified 1989, deleted 2004
1.1.3.25 created 1986, deleted 2005
1.1.3.26 created 1989, deleted 2002
1.1.3.31 created 1992, deleted 2003
1.1.3.32 created 1999, deleted 2002
1.1.3.33 created 1999, deleted 2002
1.1.3.34 created 1999, deleted 2002
1.1.3.35 created 1999, deleted 2002
1.1.3.36 created 1999, deleted 2002
1.1.5.1 created 1983, deleted 2002