Trans glutaminase-mediated cross-linking in mammalian epidermis
- 1 January 1984
- journal article
- Published by Springer Nature in Molecular and Cellular Biochemistry
- Vol. 58 (1) , 113-119
- https://doi.org/10.1007/bf00240610
Abstract
The ε-(γ-glutamyl)lysine isopeptide bond has been identified in certain structural proteins of the hair fibre and the epidermis. The major cross-linked proteins are not keratins and generally have little or no cysteine, but have a high glutamic acid/ glutamine residue content. In the hair fibre the cross-link appears in the citrulline-containing proteins of the medulla and the inner root sheath of the follicle. In the epidermis the cross-linked proteins are involved in the formation of the cornified envelope of the stratum corneum cells. In both cases, the cross-linked proteins contribute the characteristic property of chemical resistance to their b biological structures.Keywords
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