2B9C:
reference: Structure of the mid-region of tropomyosin: bending and binding sites for actin., Brown JH, Zhou Z, Reshetnikova L, Robinson H, Yammani RD, Tobacman LS, Cohen C, Proc Natl Acad Sci U S A. 2005 Dec 27;102(52):18878-83. Epub 2005 Dec 19. PMID: 16365313

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