rah:Rahaq_4248 K01749 hydroxymethylbilane synthase [EC:2.5.1.61] | (GenBank) porphobilinogen deaminase rah:Rahaq_4249 K01719 uroporphyrinogen-III synthase [EC:4.2.1.75] | (GenBank) Uroporphyrinogen III synthase HEM4 rah:Rahaq_4250 K02496 uroporphyrin-III C-methyltransferase [EC:2.1.1.107] | (GenBank) Uroporphyrinogen-III C-methyltransferase rah:Rahaq_4251 K02498 HemY protein | (GenBank) HemY protein