PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19669598-0 2010 Two polypyrimidine tracts in the nitric oxide synthase 2 gene: similar regulatory sequences with different properties. polypyrimidine 4-18 nitric oxide synthase 2 Homo sapiens 33-56 9434180-7 1997 Similar polypurine/polypyrimidine stretches have been identified in the promoter regions of a number of other vertebrate genes where they have been associated with transcriptional regulation, although a role for the (CCTTT)n repeat array in the human iNOS gene has not yet been demonstrated. polypyrimidine 19-33 nitric oxide synthase 2 Homo sapiens 251-255