STRUCTURE OF INFLUENZA HEMAGGLUTININ AT THE PH OF MEMBRANE-FUSION

被引:1373
作者
BULLOUGH, PA
HUGHSON, FM
SKEHEL, JJ
WILEY, DC
机构
[1] HARVARD UNIV,DEPT BIOCHEM & MOLEC BIOL,CAMBRIDGE,MA 02138
[2] HARVARD UNIV,HOWARD HUGHES MED INST,CAMBRIDGE,MA 02138
[3] NATL INST MED RES,LONDON NW7 1AA,ENGLAND
关键词
D O I
10.1038/371037a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Low pH induces a conformational change in the influenza virus haemagglutinin, which then mediates fusion of the viral and host cell membranes. The three-dimensional structure of a fragment of the haemagglutinin in this conformation reveals a major refolding of the secondary and tertiary structure of the molecule. The apolar fusion peptide moves at least 100 Angstrom to one tip of the molecule. At the other end a helical segment unfolds, a subdomain relocates reversing the chain direction, and part of the structure becomes disordered.
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收藏
页码:37 / 43
页数:7
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