preferred_name: L-histidine(in) + L-phenylalanine(out) <=> L-histidine(out) + L-phenylalanine(in)
preferred_name_lc: l-histidine(in) + l-phenylalanine(out) <=> l-histidine(out) + l-phenylalanine(in)
label: L-histidine(in) + L-phenylalanine(out) <=> L-histidine(out) + L-phenylalanine(in)
label_lc: l-histidine(in) + l-phenylalanine(out) <=> l-histidine(out) + l-phenylalanine(in)