{"0": "SLC superfamily of solute carriers", "1": "SLC25 family of mitochondrial transporters", "2": "Transporter", "3": "Calcium-binding protein", "4": "Signaling", "5": "Metalloprotease", "6": "Receptor", "7": "Oxidase", "8": "Oxidoreductase", "9": "Acetyltransferase", "10": "Protease", "11": "Translation initiation factor", "12": "Transferase"}