Determination of functional collective motions in a protein at atomic resolution using coherent neutron scattering.
Determination of functional collective motions in a protein at atomic resolution using coherent neutron scattering.
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使用相干中子散射以原子分辨率测定蛋白质的功能集体运动
DOI:
10.1126/sciadv.1600886
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发表时间:
2016-10
期刊:
影响因子:
13.6
通讯作者:
Smith JC
中科院分区:
文献类型:
--
作者:
Hong L;Jain N;Cheng X;Bernal A;Tyagi M;Smith JC
Coherent neutron scattering determines the forms, time scales, and amplitudes of protein functional collective modes. Protein function often depends on global, collective internal motions. However, the simultaneous quantitative experimental determination of the forms, amplitudes, and time scales of these motions has remained elusive. We demonstrate that a complete description of these large-scale dynamic modes can be obtained using coherent neutron-scattering experiments on perdeuterated samples. With this approach, a microscopic relationship between the structure, dynamics, and function in a protein, cytochrome P450cam, is established. The approach developed here should be of general applicability to protein systems.
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