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  • Filament / Intermediaer  (1)
  • epidermal keratin  (1)
  • Adaptation
  • Biochemistry
  • 1995-1999  (2)
  • 1
    Call number: 04-ZELL:360a
    Keywords: Cytoplasmic filaments ; Filament / Intermediaer
    Pages: 183 p. : ill.
    ISBN: 1570591202
    Signatur Availability
    04-ZELL:360a departmental collection or stack – please contact the library
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  • 2
    ISSN: 0887-3585
    Keywords: α-keratin ; intermediate filaments ; epidermal keratin ; vimentin ; keratinopathies ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: In intermediate filaments (IF) both epidermal keratin and vimentin molecules have been shown to have an eight residue head to-tail overlap between the rod domains of similarly directed molecules. In the case of the epidermal keratins this region has also been shown to have particular structural/functional significance since it represents a hot-spot for mutations in the four keratinopathies characterized to date. While there is good evidence that this head-to-tail overlap is present in IF containing Type III, IV, and V chains, as well as in the epidermal keratin IF (Ib/IIb), there are no data currently available for the hard α-keratin IF (Ia/IIa). Using a variety of data derived from X-ray diffraction and crosslinking studies, as well as theoretical modeling, it is now possible to demonstrate that the overlap region is not a feature of hard α-keratin IF. Indeed, it is shown that there is a nine residue gap between consecutive parallel molecules in the IF. An explanation for this observation is presented in terms of compensating disulfide bonds that occur both within the IF, and between the IF and the matrix in which the IF are embedded. © 1995 Wiley-Liss, Inc.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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