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. 1982 Apr;69(4):988-9.
doi: 10.1104/pp.69.4.988.

Lysine-ketoglutarate reductase activity in developing maize endosperm

P Arruda  1 , L Sodek, W J da Silva
Affiliations

Lysine-ketoglutarate reductase activity in developing maize endosperm

P Arruda et al. Plant Physiol. 1982 Apr.

Abstract

Lysine-ketoglutarate reductase activity was detected and characterized in the developing endosperm of maize (Zea mays L.). The enzyme showed specificity for its substrates: lysine, alpha-ketoglutarate, and NADPH. Formation of the reaction product saccharopine was demonstrated. The pH optimum of the enzyme was close to 7, and the K(m) for lysine and alpha-ketoglutarate were 5.2 and 1.8 millimolar, respectively.

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