Fig. 2From: Combined genetic influence of the nicotinic receptor gene cluster CHRNA5/A3/B4 on nicotine dependenceLocation of the three regulatory variants and a non-synonymous variant. rs880395 (chr15: 78552014, upstream of CHRNA5); rs16969968 (chr15: 78590583, nonsynonymous variant of CHRNA5); rs1948 (CHR15: 78625057, synonymous or 3 prime UTR variant located in CHRNB4; enhancer for CHRNA5) from our previous study, and rs4887074 (chr15: 78659768, intronic variant of CHRNB4 newly added in the analysisBack to article page