Variant: rs7721678 

    present in Gene: MTRR
    present in Chromosome: 5
    Position on Chromosome: 7855636
    Alleles of this Variant: T/C;G

rs7721678 in MTRR gene and Finding of Mean Corpuscular Hemoglobin PMID 30595370 2019 Leveraging Polygenic Functional Enrichment to Improve GWAS Power.