COLLAGEN FIBRIL FORMATION IN THE PRESENCE OF SODIUM DODECYL-SULFATE

被引:23
作者
DOMBI, GW [1 ]
HALSALL, HB [1 ]
机构
[1] UNIV CINCINNATI, DEPT CHEM, CINCINNATI, OH 45221 USA
关键词
D O I
10.1042/bj2280551
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Sodium dodecyl sulfate (SDS) was used to weaken both the electrostatic and the hydrophobic interactions during collagen fibrillogenesis in vitro. The rate and extent of fibril formation as well as fibril morphology were affected by SDS concentration. Both the formation of large fibrils at 0.3 mM-SDS and the complete cessation of fibril formation at 0.5 mM-SDS were considered to be the result of SDS-induced conformational changes in the non-helical telopeptides. A possible mechanism of SDS interaction with the N-terminal and the distal region of the C-terminal telopeptides is offered.
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页码:551 / 556
页数:6
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