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PT7_0476 | Threonine synthase. (469 aa) | ||||
PT7_1478 | Cysteine synthase B; Belongs to the cysteine synthase/cystathionine beta- synthase family. (306 aa) | ||||
trpB | Tryptophan synthase subunit beta; The beta subunit is responsible for the synthesis of L- tryptophan from indole and L-serine. (354 aa) | ||||
PT7_2006 | Serine/threonine dehydratase. (322 aa) | ||||
PT7_2783 | D-cysteine desulfhydrase. (332 aa) | ||||
PT7_3194 | D-cysteine desulfhydrase. (312 aa) | ||||
ilvA | Threonine dehydratase biosynthetic; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. (502 aa) |