DNA-binding nonhistone proteins: DNA site reassociation
نویسندگان
چکیده
منابع مشابه
Site-Specific Binding of Proteins to DNA
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متن کاملDNA unwinding component of the nonhistone chromatin proteins.
A subclass of nonhistone chromatin proteins from rat liver, previously shown to exhibit high affinity for DNA, has been fractionated by single-stranded DNA-agarose affinity chromatography. The protein fraction that bound to DNA-agarose in 0.19 M NaCl-buffer and was eluted with 2 M NaCl-buffer is enriched for a protein component of approximately 20,000 daltons and exhibits preferential binding t...
متن کاملDNA-binding activity of tightly-bound nonhistone chromosomal proteins in chicken liver chromatin.
We have isolated a nonhistone chromosomal protein fraction from chicken liver chromatin which possesses high affinity and preferential sequence DNA binding. Residually DNA-bound nonhistone chromosomal proteins after 2.0 M NaCl extraction of bulk chromatin are isolated. Bound proteins are released by dissociation of the complexes in 5.0 M urea/3.0 M NaCl. We have investigated the in vitro DNA-bi...
متن کاملStructural and thermodynamic strategies for site-specific DNA binding proteins.
BACKGROUND Site-specific protein-DNA complexes vary greatly in structural properties and in the thermodynamic strategy for achieving an appropriate binding free energy. A better understanding of the structural and energetic engineering principles might lead to rational methods for modification or design of such proteins. RESULTS A novel analysis of ten site-specific protein-DNA complexes reve...
متن کاملDynamic strategies for target-site search by DNA-binding proteins.
Gene regulatory proteins find their target sites on DNA remarkably quickly; the experimental binding rate for lac repressor is orders-of-magnitude higher than predicted by free diffusion alone. It has been proposed that nonspecific binding aids the search by allowing proteins to slide and hop along DNA. We develop a reaction-diffusion theory of protein translocation that accounts for transport ...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1978
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/5.5.1487