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Fibril structure of collagen in egg capsule of dogfish

Nature volume 249, pages 379–380 (1974)Cite this article

Abstract

IN spite of a wealth of information relating to the composition and structure of mesenchymal collagens, relatively little is known about the so-called ‘secreted’ collagens of epithelial origin which are much more limited in distribution. The materials of the selachian egg capsule has been classified as such a collagen though this claim is based on a poorly oriented high angle X-ray diffraction pattern obtained from skate egg capsules1 and on the colorimetric detection of hydroxyproline in hydrolysates of the same material2. Partial amino acid analysis of this material2 indicated a composition markedly different from pure collagens. To date there has been no report of fibrous periodicity in selachian egg capsules.

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Authors and Affiliations

  1. Department of Biological Sciences, University of Lancaster, Bailrigg, Lancaster, UK

    D. P. KNIGHT & S. HUNT

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  1. D. P. KNIGHT
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  2. S. HUNT
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KNIGHT, D., HUNT, S. Fibril structure of collagen in egg capsule of dogfish. Nature 249, 379–380 (1974). https://doi.org/10.1038/249379a0

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