PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17594522-6 2007 GNAS mutations were present in 24/60 (40%) of tumors; these were arg201cys(n = 15), arg201ser(n = 2), arg201his(n = 2), gln227leu(n = 4), gln227arg(n = 1). arg201cys 65-74 GNAS complex locus Homo sapiens 0-4