L-cysteine + ATP + H(+) <=> L-cysteinyl-5'-AMP + diphosphate
l-cysteine + atp + h(+) <=> l-cysteinyl-5'-amp + diphosphate
L-cysteine + ATP + H(+) <=> L-cysteinyl-5'-AMP + diphosphate
l-cysteine + atp + h(+) <=> l-cysteinyl-5'-amp + diphosphate