PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25093594-5 2014 Significant differences in the frequency of KRAS mutations were observed among subtypes (68% for LST-Gs, 36% for PNs, 16% for DNs and 6% for LST-NGs) (P<0.001). 3,5-dinitrosalicylic acid 126-129 KRAS proto-oncogene, GTPase Homo sapiens 44-48