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. 1992 May;1(2):137-43.
doi: 10.1038/ng0592-137.

A novel GC-rich human macrosatellite VNTR in Xq24 is differentially methylated on active and inactive X chromosomes

J Giacalone  1 , J Friedes, U Francke
Affiliations

A novel GC-rich human macrosatellite VNTR in Xq24 is differentially methylated on active and inactive X chromosomes

J Giacalone et al. Nat Genet. 1992 May.

Abstract

A new X chromosome-specific repetitive sequence, a 3 kilobase HindIII clone with a base composition of 63% C+G, has been isolated. The sequence is organized as a hypervariable tandem repeat cluster ranging in size from 150-350 kilobases, with outlying single copies. This locus, designated DXZ4 and mapped to chromosome band Xq24, may consist of as many as 50 variable-length alleles. It represents a class of variable number of tandem repeat polymorphism which may be termed 'macrosatellite'. The cluster is highly methylated on the active X chromosome and hypomethylated on the inactive X.

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