title: The role of protein and porphyrin in the reactivity of horseradish peroxidase toward hydrogen donors.
mesh_terms: D002374:Catalase; D002384:Catalysis; D055598:Chemical Phenomena; D002621:Chemistry; D006427:Hemin / Q000031:analogs & derivatives; D006735:Horseradish Peroxidase; D010544:Peroxidases; D013696:Temperature
chemical_list: D006427:Hemin; D006735:Horseradish Peroxidase; D010544:Peroxidases; D002374:Catalase