title: The role of 4,5-dioxovaleric acid in porphyrin and vitamin B12 formation by clostridia.
mesh_terms: D000409:Alanine / Q000378:metabolism; D003013:Clostridium / Q000378:metabolism*; D007651:Keto Acids / Q000378:metabolism*; D007700:Kinetics; D011166:Porphyrins / Q000096:biosynthesis*; D014578:Uroporphyrins / Q000096:biosynthesis*; D014631:Valerates / Q000378:metabolism*; D014805:Vitamin B 12 / Q000096:biosynthesis*
chemical_list: D007651:Keto Acids; D011166:Porphyrins; D014578:Uroporphyrins; D014631:Valerates; C007509:4,5-dioxovaleric acid; D000409:Alanine; D014805:Vitamin B 12