The enzymic conversion of delta-aminolaevulic acid to porphobilinogen.
D007651:Keto Acids / Q000378:metabolism*; D007659:Ketones; D011162:Porphobilinogen; D011166:Porphyrins
D007651:Keto Acids; D007659:Ketones; D011166:Porphyrins; D011162:Porphobilinogen
KETONE ACIDS/metabolism; PORPHYRIN