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

Zinc (II) and the single-stranded DNA binding protein of bacteriophage T4.

The DNA binding domain of the gene 32 protein of the bacteriophage T4 contains a single "zinc-finger" sequence. The gene 32 protein is an extensively studied member of a class of proteins that bind relatively nonspecifically to single-stranded DNA. We have sequenced and characterized mutations in gene 32 whose defective proteins are activated by increasing the Zn(II) concentration in the growth medium. Our results identify a role for the gene 32 protein in activation of T4 late transcription. Several eukaryotic proteins with zinc fingers participate in activation of transcription, and the gene 32 protein of T4 should provide a simple, well-characterized system in which genetics can be utilized to study the role of a zinc finger in nucleic acid binding and gene expression.[1]


  1. Zinc (II) and the single-stranded DNA binding protein of bacteriophage T4. Gauss, P., Krassa, K.B., McPheeters, D.S., Nelson, M.A., Gold, L. Proc. Natl. Acad. Sci. U.S.A. (1987) [Pubmed]
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