首页> 外文期刊>Chembiochem: A European journal of chemical biology >The Molecular Mechanism of Bee Venom Phospholipase A_2 Inactivation by Bolinaquinone
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The Molecular Mechanism of Bee Venom Phospholipase A_2 Inactivation by Bolinaquinone

机译:Bolinaquinone灭活蜂毒磷脂酶A_2的分子机制

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摘要

The molecular basis of the inactivation of bee venom PLA_2 by the marine natural product bolinaquinone (BLQ) was studied by several spectral techniques (CD,fluorescence,and NMR spectroscopy,mass spectrometry),biomimetic reactions,and molecular modeling.Our data suggest competitive inhibition based on a BLQ-PLA_2 noncovalent molecular recognition.However,BLQ is also able to react selectively with Lys133 through conjugate addition followed by a ft elimination.The biological implications of both the covalent and noncovalent molecular events are discussed.
机译:通过几种光谱技术(CD,荧光,NMR,质谱,仿生反应和分子模拟)研究了海洋天然产物bolinaquinone(BLQ)灭活蜂毒PLA_2的分子基础。我们的数据表明竞争性抑制基于BLQ-PLA_2非共价分子的识别。然而,BLQ也能够通过添加共轭物然后经ft消除与Lys133选择性反应。讨论了共价和非共价分子事件的生物学意义。

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