rme:Rmet_2749 K01749 hydroxymethylbilane synthase [EC:2.5.1.61] | (GenBank) hemC; hydroxymethylbilane synthase rme:Rmet_2750 K01595 phosphoenolpyruvate carboxylase [EC:4.1.1.31] | (GenBank) ppc; phosphoenolpyruvate carboxylase