label: orotate + 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) <=> orotidine 5'-monophosphate (OMP) + pyrophosphate (Gallus gallus)
label_lc: orotate + 5-phospho-alpha-d-ribose 1-diphosphate (prpp) <=> orotidine 5'-monophosphate (omp) + pyrophosphate (gallus gallus)