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(+)