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  • Title: Analysis of the murine All-1 gene reveals conserved domains with human ALL-1 and identifies a motif shared with DNA methyltransferases.
    Author: Ma Q, Alder H, Nelson KK, Chatterjee D, Gu Y, Nakamura T, Canaani E, Croce CM, Siracusa LD, Buchberg AM.
    Journal: Proc Natl Acad Sci U S A; 1993 Jul 01; 90(13):6350-4. PubMed ID: 8327517.
    Abstract:
    A series of translocation break points found in a subset of human acute leukemias have one of the breaks on human chromosome 11q23. This region has recently been cloned and a large gene, ALL-1, with homology to the Drosophila trithorax gene has been identified. This paper describes the cloning, sequencing, and mapping of the mouse homolog of ALL-1. We have found a motif present in All-1 that shows homology to the zinc-binding domain of DNA (cytosine-5) methyltransferases (EC 2.1.1.63). Sequence analysis of the murine All-1 gene has identified distinct regions of homology with the human ALL-1 gene; these highly conserved domains may define regions of functional significance in mammals. In addition, we have identified alternatively spliced forms of All-1 within one of the zinc-finger domains, suggesting that there may be different targets and/or functions for All-1 proteins. Finally, we report that All-1 resides in the proximal portion of mouse chromosome 9 and is a candidate for a mutation that results in skeletal transformations during embryonic development.
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