ID 3.6.1.n3 DE L-cysteinyl-tRNA(Cys) hydrolase. AN Cys-tRNA(Cys) deacylase. CA H2O + L-cysteinyl-tRNA(Cys) = H(+) + L-cysteine + tRNA(Cys). CC -!- The enzyme from Escherichia coli also catalyzes the reaction of CC EC 3.6.1.n2. //