We have identified a novel gene, Translin, encoding a protein which specifically binds to consensus sequences at breakpoint junctions of chromosomal translocations in many cases of lymphoid malignancies. The encoded protein, Translin, is a previously undescribed type with no significant similarity to known proteins. In the native form, Translin polypeptides form a multimeric structure which is responsible for its DMA binding activity. Nuclear localization of Translin is limited to lymphoid cell lines, raising the intriguing possibility that nuclear transport of Translin is regulated in a physiologically significant way such that active nuclear transport is associated with the lymphoid specific process known as Ig/TCR gene rearrangement.
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Aoki, K., Suzuki, K., Sugano, T. et al. A novel gene, Translin, encodes a recombination hotspot binding protein associated with chromosomal translocations. Nat Genet 10, 167–174 (1995). https://doi.org/10.1038/ng0695-167
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