ID 1.20.4.3 DE mycoredoxin. CA [mycoredoxin]-L-cysteine + arseno-mycothiol + H(+) = [mycoredoxin]-S- CA mycothiol-L-cysteine + arsenite. CC -!- Reduction of arsenate is part of a defense mechanism of the cell CC against toxic arsenate. CC -!- The substrate arseno-mycothiol is formed by EC 2.8.4.2. CC -!- A second mycothiol recycles mycoredoxin and forms mycothione. DR P0DKT0, MRX1_CORGK ; P0DKS9, MRX1_CORGL ; //