{"0": "Metalloprotease", "1": "Serine protease", "2": "Protease", "3": "Receptor", "4": "Reductase", "5": "Cysteine protease", "6": "SLC superfamily of solute carriers", "7": "Transporter", "8": "Hydrolase", "9": "Protein phosphatase", "10": "Small GTPase", "11": "Other group", "12": "Enzyme"}