preferred_name: D-cysteine(out) + L-alanine(in) <=> D-cysteine(in) + L-alanine(out)
preferred_name_lc: d-cysteine(out) + l-alanine(in) <=> d-cysteine(in) + l-alanine(out)
label: D-cysteine(out) + L-alanine(in) <=> D-cysteine(in) + L-alanine(out)
label_lc: d-cysteine(out) + l-alanine(in) <=> d-cysteine(in) + l-alanine(out)