Difference in thermal stability of type-I and type-III collagen from rat skin

Author:

Danielsen Carl Christian1

Affiliation:

1. Department of Connective Tissue Biology, Institute of Anatomy, University of Aarhus, DK-8000 Aarhus C, Denmark

Abstract

Type-I and type-III collagens were obtained by differential salt fractionation of neutral-salt-soluble collagen from rat skin. Their thermal stabilities were determined by u.v. difference spectroscopy. The ‘melting’ temperature (Tm) in 5mm-acetic acid of type-III collagen was almost 2°C above that of type-I collagen. Intramolecular covalent cross-linking had no effect on the thermal stability.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry

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