azo:azo0992 K01595 phosphoenolpyruvate carboxylase [EC:4.1.1.31] | (GenBank) ppc; probable phosphoenolpyruvate carboxylase azo:azo0993 K01749 hydroxymethylbilane synthase [EC:2.5.1.61] | (GenBank) hemC; hydroxymethylbilane synthase azo:azo0995 K02496 uroporphyrin-III C-methyltransferase [EC:2.1.1.107] | (GenBank) hemX; Uroporphyrin-III C-methyltransferase azo:azo0996 K02498 HemY protein | (GenBank) hemY; HemY protein