{"0": "Receptor", "1": "SLC superfamily of solute carriers", "2": "Calcium-binding protein", "3": "Signaling", "4": "Calmodulin", "5": "Intracellular calcium-sensing protein", "6": "mRNA splicing factor", "7": "Oxidase", "8": "mRNA processing factor", "9": "Metalloprotease", "10": "Serine protease", "11": "Glycosyltransferase", "12": "Transporter", "13": "Oxidoreductase", "14": "Protease", "15": "Lyase", "16": "Dehydrogenase", "17": "Hydrolase", "18": "G-protein modulator"}