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Unusual ECD fragmentation attributed to gas-phase helix formation in a conformationally dynamic peptidef

机译:异常的ECD碎裂归因于构象动态肽中气相螺旋的形成

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摘要

The helix-forming character of a model decapeptide, L_4PL_4K, is determined in the absence of solvent using ion mobility mass spectrometry, electron capture dissociation and molecular mechanics simulations. Unusual ECD fragmentation patterns dominated by b ions are attributed to helix formation upon electron capture and as a signature of con-formational dynamics.
机译:在没有溶剂的情况下,使用离子迁移质谱,电子俘获解离和分子力学模拟确定了十肽模型L_4PL_4K的螺旋形成特性。由b离子支配的不寻常的ECD碎裂模式归因于电子捕获后形成螺旋,并作为构象动力学的标志。

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  • 来源
    《Chemical Communications》 |2014年第2期|198-200|共3页
  • 作者单位

    School of Chemistry, University of Edinburgh, Joseph Black Building, King's Buildings, West Mains Road, Edinburgh, UKEH3 9JJ;

    School of Chemistry, University of Edinburgh, Joseph Black Building, King's Buildings, West Mains Road, Edinburgh, UKEH3 9JJ;

    School of Biosciences, University of Birmingham, Edgbaston, Birmingham, UK B15 2TT;

    School of Chemistry, University of Edinburgh, Joseph Black Building, King's Buildings, West Mains Road, Edinburgh, UKEH3 9JJ;

    School of Chemistry, University of Edinburgh, Joseph Black Building, King's Buildings, West Mains Road, Edinburgh, UKEH3 9JJ;

    School of Biosciences, University of Birmingham, Edgbaston, Birmingham, UK B15 2TT;

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  • 入库时间 2022-08-17 13:14:46

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