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