The augmin complex architecture reveals structural insights into microtubule branching.
The augmin complex architecture reveals structural insights into microtubule branching.
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Augmin复合体结构揭示了对微管分支的结构见解。
DOI:
10.1038/s41467-022-33228-6
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发表时间:
2022-09-26
影响因子:
16.6
通讯作者:
中科院分区:
文献类型:
--
作者:
In mitosis, the augmin complex binds to spindle microtubules to recruit the γ-tubulin ring complex (γ-TuRC), the principal microtubule nucleator, for the formation of branched microtubules. Our understanding of augmin-mediated microtubule branching is hampered by the lack of structural information on the augmin complex. Here, we elucidate the molecular architecture and conformational plasticity of the augmin complex using an integrative structural biology approach. The elongated structure of the augmin complex is characterised by extensive coiled-coil segments and comprises two structural elements with distinct but complementary functions in γ-TuRC and microtubule binding, linked by a flexible hinge. The augmin complex is recruited to microtubules via a composite microtubule binding site comprising a positively charged unordered extension and two calponin homology domains. Our study provides the structural basis for augmin function in branched microtubule formation, decisively fostering our understanding of spindle formation in mitosis. The formation of branched microtubule networks in mitotic spindles depends on the augmin complex. Zupa, Würtz et al. elucidate the molecular architecture and conformational plasticity of the augmin complex using integrative structural biology, providing structural insights into microtubule branching.
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影响因子:
64.8
作者:
Jumper J;Evans R;Pritzel A;Green T;Figurnov M;Ronneberger O;Tunyasuvunakool K;Bates R;Žídek A;Potapenko A;Bridgland A;Meyer C;Kohl SAA;Ballard AJ;Cowie A;Romera-Paredes B;Nikolov S;Jain R;Adler J;Back T;Petersen S;Reiman D;Clancy E;Zielinski M;Steinegger M;Pacholska M;Berghammer T;Bodenstein S;Silver D;Vinyals O;Senior AW;Kavukcuoglu K;Kohli P;Hassabis D
通讯作者:
Hassabis D
影响因子:
21.3
作者:
通讯作者:
--
DOI:
10.1074/mcp.m111.014126
发表时间:
2012-03
期刊:
Molecular & cellular proteomics : MCP
影响因子:
--
作者:
Leitner A;Reischl R;Walzthoeni T;Herzog F;Bohn S;Förster F;Aebersold R
通讯作者:
Aebersold R
影响因子:
64.5
作者:
Ciferri, Claudio;Pasqualato, Sebastiano;Musacchio, Andrea
通讯作者:
Musacchio, Andrea
影响因子:
7.8
作者:
Goshima, Gohta;Mayer, Mirjam;Zhang, Nan;Stuurman, Nico;Vale, Ronald D.
通讯作者:
Vale, Ronald D.