Activation of hurain by bivalent iron.
D010450:Endopeptidases; D006867:Hydrolases; D007501:Iron / Q000737:chemistry*; D010447:Peptide Hydrolases / Q000737:chemistry*; D015032:Zinc / Q000737:chemistry*
D007501:Iron; D006867:Hydrolases; D010450:Endopeptidases; D010447:Peptide Hydrolases; D015032:Zinc
IRON/chemistry; PROTEASES/chemistry; ZINC/chemistry