Mass spectrometry captures structural intermediates in protein fiber self-assembly.
Mass spectrometry captures structural intermediates in protein fiber self-assembly.
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质谱法捕获蛋白质纤维自组装中的结构中间体
DOI:
10.1039/c7cc00307b
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发表时间:
2017-03-16
期刊:
影响因子:
--
通讯作者:
Rising A
中科院分区:
文献类型:
--
作者:
Landreh M;Andersson M;Marklund EG;Jia Q;Meng Q;Johansson J;Robinson CV;Rising A
Integrating ion mobility mass spectrometry and molecular dynamics simulations provides insights into intermediates in spider silk formation. The resulting structural models reveal how soluble spidroin proteins use their terminal domains to assemble into silk fibers. Self-assembling proteins, the basis for a broad range of biological scaffolds, are challenging to study using most structural biology approaches. Here we show that mass spectrometry (MS) in combination with MD simulations captures structural features of short-lived oligomeric intermediates in spider silk formation, providing direct insights into its complex assembly process.
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