preferred_name: L-phenylalanine(out) + L-arginine(in) = L-phenylalanine(in) + L-arginine(out)
preferred_name_lc: l-phenylalanine(out) + l-arginine(in) = l-phenylalanine(in) + l-arginine(out)
label: L-phenylalanine(out) + L-arginine(in) = L-phenylalanine(in) + L-arginine(out)
label_lc: l-phenylalanine(out) + l-arginine(in) = l-phenylalanine(in) + l-arginine(out)