title: The absence of iron and certain coenzymes in highly purified protocollagen proline hydroxylase.
mesh_terms: D000613:Aminobutyrates; D000818:Animals; D002642:Chick Embryo; D003067:Coenzymes / Q000032:analysis*; D003094:Collagen; D005415:Flavins / Q000032:analysis; D007501:Iron / Q000032:analysis*; D007651:Keto Acids; D007656:Ketoglutaric Acids; D006899:Mixed Function Oxygenases / Q000032:analysis* / Q000037:antagonists & inhibitors; D011392:Proline; D011485:Protein Binding; D011732:Pyridoxal Phosphate / Q000032:analysis; D013053:Spectrophotometry; D013057:Spectrum Analysis; D013831:Thiamine / Q000032:analysis; D013835:Thiamine Pyrophosphate / Q000032:analysis
chemical_list: D000613:Aminobutyrates; D003067:Coenzymes; D005415:Flavins; D007651:Keto Acids; D007656:Ketoglutaric Acids; D011732:Pyridoxal Phosphate; D003094:Collagen; D011392:Proline; D007501:Iron; D006899:Mixed Function Oxygenases; D013835:Thiamine Pyrophosphate; D013831:Thiamine