PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15118760-0 2004 Antiproliferative activity of a triplex-forming oligonucleotide recognizing a Ki-ras polypurine/polypyrimidine motif correlates with protein binding. polypyrimidine 96-110 KRAS proto-oncogene, GTPase Homo sapiens 78-84 19282454-5 2009 Fluorescence resonance energy transfer melting experiments reveal that A1/Up1 completely abrogates the cooperative quadruplex-to-ssDNA transition that characterizes the KRAS quadruplex and facilitates the association between quadruplex 32R and its complementary polypyrimidine strand. polypyrimidine 262-276 KRAS proto-oncogene, GTPase Homo sapiens 169-173