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EC 2.6.1.88 Details
EC number
2.6.1.88
Accepted name
methionine transaminase
Reaction
L-methionine + a 2-oxo carboxylate = 4-(methylsulfanyl)-2-oxobutanoate + an L-amino acid
Other name(s)
methionine-oxo-acid transaminase
Systematic name
L-methionine:2-oxo-acid aminotransferase
Comment
The enzyme is most active with L-methionine. It participates in the L-methionine salvage pathway from S-methyl-5′-thioadenosine, a by-product of polyamine biosynthesis. The enzyme from the bacterium Klebsiella pneumoniae can use several different amino acids as amino donor, with aromatic amino acids being the most effective [1]. The enzyme from the plant Arabidopsis thaliana is also a part of the chain elongation pathway in the biosynthesis of methionine-derived glucosinolates [3].
History
created 2011
EC Tree
3.6.1.4 created 1961, deleted 1965
3.6.1.32 created 1984, deleted 2000
3.6.1.33 created 1984, deleted 2000
3.6.1.34 created 1984, deleted 2000
3.6.1.35 created 1984, deleted 2000
3.6.1.36 created 1984, deleted 2000
3.6.1.37 created 1984, deleted 2000
3.6.1.38 created 1984, deleted 2000
3.6.1.46 created 2000, deleted 2003
3.6.1.47 created 2000, deleted 2003
3.6.1.48 created 2000, deleted 200
3.6.1.49 created 2000, deleted 2003
3.6.1.50 created 2000, deleted 2003
3.6.1.51 created 2000, deleted 2003