Variant: rs1021070 

    present in Gene: CHRNB4
    present in Chromosome: 15
    Position on Chromosome: 78654521
    Alleles of this Variant: C/A;G

rs1021070 in CHRNB4 gene and Smoking Behaviors PMID 20418888 2010 Sequence variants at CHRNB3-CHRNA6 and CYP2A6 affect smoking behavior.