Variant: rs121909072 

    present in Gene: TNFSF11
    present in Chromosome: 13
    Position on Chromosome: 42606560
    Alleles of this Variant: T/A

rs121909072 in TNFSF11 gene and Osteopetrosis, mild autosomal recessive form PMID 17632511 2007 Osteoclast-poor human osteopetrosis due to mutations in the gene encoding RANKL.