Anti-nutritional neurotoxic factor called cyanoalanine is found in Brassica Oleracea Almond Seeds of Khesari Kindney bean

Anti-nutritional neurotoxic factor called cyanoalanine is found in 
  1. Brassica Oleracea
  2. Almond
  3. Seeds of Khesari
  4. Kindney bean

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
The correct option is 3.
In enzymology, a L-3-cyanoalanine synthase (EC is an enzyme that catalyzes the chemical reaction

L-cysteine + hydrogen cyanide \rightleftharpoons L-3-cyanoalanine + hydrogen sulfide
Thus, the two substrates of this enzyme are L-cysteine and hydrogen cyanide, whereas its two products are L-3-cyanoalanine and hydrogen sulfide.

This enzyme belongs to the family of lyases, specifically the class of carbon-sulfur lyases. The systematic name of this enzyme class is L-cysteine hydrogen-sulfide-lyase (adding hydrogen cyanide L-3-cyanoalanine-forming). Other names in common use include beta-cyanoalanine synthase, beta-cyanoalanine synthetase, beta-cyano-L-alanine synthase, and L-cysteine hydrogen-sulfide-lyase (adding HCN). This enzyme participates in cyanoamino acid metabolism.

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