preferred_name: UTP + pyruvate <=> phosphoenolpyruvate + UDP + H(+)
preferred_name_lc: utp + pyruvate <=> phosphoenolpyruvate + udp + h(+)
label: UTP + pyruvate <=> phosphoenolpyruvate + UDP + H(+)
label_lc: utp + pyruvate <=> phosphoenolpyruvate + udp + h(+)