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Results 1 - 2 of 2 for Porphobilinogen
  1. HMBS gene 
    ... in this process, which combines four molecules of porphobilinogen (the product of the second step) to form ... Condition HEM3_HUMAN Hydroxymethylbilane Synthetase PBG-D PBGD Porphobilinogen Ammonia-Lyase Porphobilinogen ammonia-lyase (polymerizing) Porphobilinogen Deaminase ...
    https://medlineplus.gov/genetics/gene/hmbs - Genetics
  2. ALAD gene 
    ... the first step) to form a compound called porphobilinogen. In subsequent steps, four molecules of porphobilinogen are combined and then modified to produce heme. ...
    https://medlineplus.gov/genetics/gene/alad - Genetics