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    Nucleic Acids Res. 1991 Feb 25;19(4):949-53.

    Identification of novel single-stranded d(TC)n binding proteins in several mammalian species.

    Source

    Department of Medical Biochemistry, Faculty of Medicine, University of Calgary, Alberta, Canada.

    Abstract

    A group of single-stranded d(TC)n specific binding proteins has been detected in the nuclear extracts of several mammalian species that included mouse, human, African green monkey, chimpanzee, and Chinese muntjac. Southwestern analysis of 500 mM KCI nuclear extracts has shown that these proteins cluster in a similar size range, 55.5 to 57 kD. An additional 54 kD band was present for the three primate species examined. The single-stranded d(TC)n binding activity was confirmed with bandshift assay. Specific double-stranded binding activity for duplex d(TC)n.d(GA)n or single-stranded d(GA)n was not detected. The conservation of size distribution and d(TC)n-binding activity across the species examined indicates that this class of single-stranded binding proteins may have an important biological function in vivo.

    PMID:
    2017376
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC333737
    Free PMC Article

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