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  • Title: Linkage relationships of the human methylmalonyl CoA mutase to the HLA and D6S4 loci on chromosome 6.
    Author: Zoghbi HY, O'Brien WE, Ledley FD.
    Journal: Genomics; 1988 Nov; 3(4):396-8. PubMed ID: 2907507.
    Abstract:
    The human methylmalonyl CoA mutase (MCM) cDNA has been used to localize the MUT locus on the short arm of chromosome 6 proximal to the glyoxalase locus in 6p deletion cell lines. A HindIII polymorphism identified by the MCM cDNA was used to study linkage relationships of MUT to HLA (A-B-DQ-DR) and D6S4 in the reference CEPH families. The maximum lod score for MUT versus HLA was 3.04 at a recombination fraction of 0.28. The maximum lod score for MUT versus D6S4 was 22.93 at a recombination fraction of 0.01. These data suggest that MUT and D6S4 loci are tightly linked and may be used as one locus in a haplotype form for linkage studies on proximal 6p and diagnostic analysis of pedigrees with mut methylmalonic acidemia.
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