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Biosynthesis of Ethylene. 4-methylmercapto-2-oxobutyric Acid: An Intermediate in the Formation From Methionine

L W Mapson, J F March, D A Wardale

Biochem J. 1969 Dec;115(4):653-61.

PMID: 5357015

Abstract:

The enzyme responsible for the conversion of methionine into a precursor of ethylene in cauliflower florets is a transaminase. The formation of 4-methyl-mercapto-2-oxobutyric acid by this enzyme has been shown. The oxo acid stimulates the synthesis of ethylene when added to floret tissue, and tracer experiments have shown that (14)C is incorporated into ethylene from the labelled oxo acid. The evidence is consistent with the view that the oxo acid is an intermediate in the formation of ethylene from methionine.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP600180 2-Oxobutyric acid 2-Oxobutyric acid 600-18-0 Price
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