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  • Title: Partial characterization of type X collagen from bovine growth-plate cartilage. Evidence that type X collagen is processed in vivo.
    Author: Ayad S, Kwan AP, Grant ME.
    Journal: FEBS Lett; 1987 Aug 10; 220(1):181-6. PubMed ID: 2440723.
    Abstract:
    Sequential extraction of bovine growth-plate cartilage with 4 M guanidinium chloride and pepsin was used to identify the intact and pepsinized forms respectively of type X collagen. This collagen occurs predominantly as the processed [alpha 1(X)]3 form in vivo, although the procollagen [pro alpha 1(X)]3 form can also be detected. The bovine pro alpha 1(X) and alpha 1(X) chains have Mr values identical to the corresponding chick species (Mr 59,000 and 49,000). However, the pepsinized alpha 1(X)p chains (Mr 47,000) are larger than those of the chick (Mr 45,000), and the bovine collagen type X is further distinguished by being disulphide-bonded within the triple-helical domain.
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