Structural polymorphism in F-actin.
Structural polymorphism in F-actin.
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DOI:
10.1038/nsmb.1930
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发表时间:
2010-11
影响因子:
16.8
通讯作者:
中科院分区:
文献类型:
--
作者:
Actin has maintained an exquisite degree of sequence conservation over large evolutionary distances for reasons that are not understood. Generating an atomic model of the actin filament (F-actin) has been driven by the desire to explain phenomena from muscle contraction to cytokinesis in mechanistic detail. Here we use electron cryo-microscopy to show that frozen-hydrated actin filaments contain a multiplicity of different structural states. We show (at ~ 10 Å resolution) that subdomain 2 can be disordered, as well as being able to make multiple contacts with the C-terminus of a subunit above it. We link a number of disease-causing mutations in the human ACTA1 gene to the most structurally dynamic elements of actin. Since F-actin is structurally polymorphic it cannot be described using only one atomic model, and must be understood as an ensemble of different states.
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影响因子:
64.8
作者:
EGELMAN, EH;FRANCIS, N;DEROSIER, DJ
通讯作者:
DEROSIER, DJ
影响因子:
5.6
作者:
Oztug Durer ZA;Diraviyam K;Sept D;Kudryashov DS;Reisler E
通讯作者:
Reisler E
DOI:
10.1098/rstb.1995.0107
发表时间:
1995-09-29
影响因子:
6.3
作者:
DOOLITTLE, RF
通讯作者:
DOOLITTLE, RF
影响因子:
5.6
作者:
Kim, E;Wriggers, W;Reisler, E
通讯作者:
Reisler, E
影响因子:
64.8
作者:
DRUMMOND, DR;PECKHAM, M;WHITE, DCS
通讯作者:
WHITE, DCS