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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Structure-based design of transcription factors.

Computer modeling suggested that transcription factors with novel sequence specificities could be designed by combining known DNA binding domains. This structure-based strategy was tested by construction of a fusion protein, ZFHD1, that contained zinc fingers 1 and 2 from Zif268, a short polypeptide linker, and the homeodomain from Oct-1. The fusion protein bound optimally to a sequence containing adjacent homeodomain (TAATTA) and zinc finger (NGGGNG) subsites. When fused to an activation domain, ZFHD1 regulated promoter activity in vivo in a sequence-specific manner. Analysis of known protein-DNA complexes suggests that many other DNA binding proteins could be designed in a similar fashion.[1]


  1. Structure-based design of transcription factors. Pomerantz, J.L., Sharp, P.A., Pabo, C.O. Science (1995) [Pubmed]
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