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. 2008 Jul 25;7(10):1649–1660. doi: 10.1128/EC.00233-08

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Copyright © 2008, American Society for Microbiology

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FIG. 9. — Structural features of histone H3 mutants. (A) Locations of R69 and E105 on the surface of the nucleosome core. R69 (red) forms direct contact with nucleosomal DNA (cyan), while E105 (red) does not. F104 and A111 are buried in the histone fold domain and thus are invisible. Yellow and blue, histone H3 proteins that have the labeled R69 and E105 residues, respectively; green, the other core histone proteins. (B) Closeup of the R69-DNA interaction and effect of R69G mutation. (C) Closeup of the region around A111 and replacement with glycine or threonine. (D) Closeup of the region around F104 and E105 and the F104S E105G (hht2-FE) mutation.