{"0": "Receptor", "1": "Calmodulin-binding", "2": "Protease", "3": "Motor protein", "4": "Initiation factor", "5": "GTPase activation", "6": "Actin-binding", "7": "Host cell receptor for virus entry", "8": "Metalloprotease", "9": "Chaperone", "10": "Serine/threonine-protein kinase", "11": "tRNA-binding", "12": "Kinase", "13": "Isomerase", "14": "Nucleotidyltransferase", "15": "Ribosomal protein", "16": "Transferase", "17": "Aminoacyl-tRNA synthetase", "18": "Elongation factor"}