PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18957677-0 2008 The CHRNA5-A3 region on chromosome 15q24-25.1 is a risk factor both for nicotine dependence and for lung cancer. Nicotine 72-80 cholinergic receptor nicotinic alpha 5 subunit Homo sapiens 4-10