Journal
ANALYTICAL BIOCHEMISTRY
Volume 423, Issue 1, Pages 184-186Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ab.2012.01.010
Keywords
Chromatin; Histone; Nucleosome; Transcription
Funding
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan [19790083, 22790101]
- MEXT
- Grants-in-Aid for Scientific Research [22790101, 24613007, 19790083] Funding Source: KAKEN
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We developed a novel nucleosome DNA template vector, pWMD01, which is optimized for the large-scale preparation of nucleosomal DNA. By using restricted digestion by Sapl or Earl within its multicloning site, multiple half-nucleosome DNA units can be introduced unidirectionally into the vector at each subcloning step. Through this method, we constructed a plasmid that has 18 tandem repeats of a half-nucleosome 90-bp DNA unit containing c-Myb-binding sites in two subcloning cycles. This method enables the rapid, large-scale preparation of nucleosomal DNA with crystallization-grade quality. (C) 2012 Elsevier Inc. All rights reserved.
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