5-Aminolevulinic acid dehydratase Animal 4 Enzyme Inhibitors 4 Kinetics 4 Liver 4 Porphobilinogen Synthase 4 Support, Non-U.S. Gov't 4 Swine 4 article 4 enzyme active site 4 nonhuman 4 porphobilinogen synthase 4 swine 4 Active site residues inhibition 2 Animalia 2 Binding Sites 2 Diethylpyrocarbonate 2 Glucose effect 2 Histidine 2 Histidyl residues 2 Hydrogen-Ion Concentration 2 Levulinic Acids 2 Lysine 2 Lysine residues 2 Macromolecular Systems 2 Methylene Blue 2 Methylene blue 2 Models, Molecular 2 Photochemistry 2 Porphobilinogen 2