ID 4.4.1.9 DE L-3-cyanoalanine synthase. AN beta-cyanoalanine synthase. AN beta-cyano-L-alanine synthase. CA hydrogen cyanide + L-cysteine = 3-cyano-L-alanine + H(+) + hydrogen CA sulfide. DR Q1KLZ2, CAS1_MALDO ; Q76MX2, CAS1_SOLTU ; Q1KLZ1, CAS2_MALDO ; DR Q9FS29, CAS2_SOLTU ; Q9S757, CYSC1_ARATH; Q43153, CYSC_SPIOL ; DR Q9S6Z7, CYSD1_ARATH; Q9SXS7, CYSD2_ARATH; O45679, CYSK2_CAEEL; //