PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15950315-8 2005 Mutations of the K-ras gene were detected in 26.7% (8/30) of AAH, 16.7% (5/30) of BAC and 10% (3/30) of invasive adenocarcinoma. 1-[N-4'-NITROBENZYL-N-4'-CARBOXYBUTYLAMINO]METHYLPHOSPHONIC ACID 61-64 KRAS proto-oncogene, GTPase Homo sapiens 17-22