# OC Root 2nd 3rd 4th PC Gene/Definition OC.88393 Bacteria.81146 Thermotogae.8695 Thermosipho.1580 tme.692 tme:Tmel_0707 porphobilinogen deaminase; K01749 hydroxymethylbilane synthase [EC:2.5.1.61] OC.88393 Bacteria.81146 Thermotogae.8695 Thermosipho.1580 taf.109 taf:THA_1077 hemC; porphobilinogen deaminase; K01749 hydroxymethylbilane synthase [EC:2.5.1.61]