11 research outputs found

    A twist in chiral interaction between biological helices

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    Using an exact solution for the pair interaction potential, we show that long, rigid, chiral molecules with helical surface charge patterns have a preferential interaxial angle ~((RH)^1/2)/L, where L is the length of the molecules, R is the closest distance between their axes, and H is the helical pitch. Estimates based on this formula suggest a solution for the puzzle of small interaxial angles in a-helix bundles and in cholesteric phases of DNA.Comment: 7 pages, 2 figures, PDF file onl

    van der Waals interactions in cholesteric liquid crystals

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    Deubiquitylating Enzymes and DNA Damage Response Pathways

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