bbh:BN112_1432 K01749 hydroxymethylbilane synthase [EC:2.5.1.61] | (GenBank) HemC; porphobilinogen deaminase bbh:BN112_1431 K01719 uroporphyrinogen-III synthase [EC:4.2.1.75] | (GenBank) putative uroporphyrinogen-III synthase bbh:BN112_1430 K02496 uroporphyrin-III C-methyltransferase [EC:2.1.1.107] | (GenBank) putative exported protein