Variant: rs13040275 

    present in Gene: CTCFL
    present in Chromosome: 20
    Position on Chromosome: 57525185
    Alleles of this Variant: G/T

rs13040275 in CTCFL gene and Red Blood Cell Count measurement PMID 30595370 2019 Leveraging Polygenic Functional Enrichment to Improve GWAS Power.