Article
Molecular mechanism of alpha 1(I)-osteogenesis imperfecta/Ehlers-Danlos syndrome: unfolding of an N-anchor domain at the N-terminal end of the type I collagen triple helix.
The Journal of biological chemistry - 10 Mar 2006
Makareeva Elena, Cabral Wayne A, Marini Joan C, Leikin Sergey
Abstract excerpt
We demonstrate that 85 N-terminal amino acids of the alpha1(I) chain participate in a highly stable folding domain, acting as the stabilizing anchor for the amino end of the type I collagen triple helix. This anchor region is bordered by a microunfolding region, 15 amino acids in each chain, which include no proline or hydroxyproline residues and contain a chymotrypsin cleavage site. Glycine substitutions and...
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