Isolation of nucleosomes having multiple-modified histone protein octamers
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United States of America Patent
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Jul 14, 2020
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Mar 8, 2018
app pub date -
Mar 15, 2016
filing date -
Mar 30, 2015
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Abstract
The invention discloses the use of an artificial protein for isolating a nucleosome, the nucleosome comprising a multiple-modified histone protein octamer, wherein the artificial protein comprises a first histone modification binding domain of 50 to 200 amino acids binding to a first histone modification, a second histone modification binding domain of 50 to 200 amino acids binding to a second histone modification, a linker of 5 to 50 amino acids connecting the first and the second histone modification binding domain, and an affinity tag. Further disclosed are a nucleic acid encoding the artificial protein, a host cell comprising the nucleic acid and a kit for isolating a nucleosome, the nucleosome comprising a multiple-modified histone protein octamer. Further disclosed is an in-vitro method for isolating a nucleosome having a first and a second histone modification.
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