{"0": "Receptor", "1": "Metalloprotease", "2": "Translocase", "3": "Protease", "4": "Host cell receptor for virus entry", "5": "Glycosidase", "6": "Acyltransferase", "7": "Isomerase", "8": "Calmodulin-binding", "9": "Transducer", "10": "GTPase activation", "11": "Glycosyltransferase", "12": "Oxidoreductase"}