PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18976223-3 2008 The NTPase follows Michaelis-Menten kinetics in the range of investigated substrate concentrations, the apparent K(m) values for UTP, ITP, GTP, CTP, CDP, and ATP being 86, 25, 41, 150, 500, and 260 microM, respectively. Cytidine Diphosphate 149-152 cancer-related nucleoside-triphosphatase homolog Bos taurus 4-10