Activity Prediction and Molecular Mechanism of Bovine Blood Derived Angiotensin I-Converting Enzyme Inhibitory Peptides

Activity Prediction and Molecular Mechanism of Bovine Blood Derived Angiotensin I-Converting Enzyme Inhibitory Peptides
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牛血血管紧张素I转换酶抑制肽活性预测及分子机制

DOI:
10.1371/journal.pone.0119598
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发表时间:
2015-03
期刊:
影响因子:
3.7
通讯作者:
Jingbo Liu
Jingbo Liu
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Ting Zhang;Shaoping Nie;Boqun Liu;Yiding Yu;Yan Zhang;Jingbo Liu

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从食物蛋白中开发血管紧张素 I 转换酶(ACE,EC 3.4.15.1)抑制肽作为预防高血压的替代方案正在进行广泛的研究。然而,很难识别从食物来源释放的肽。为了加速肽鉴定的进展,建立了三层反向传播神经网络模型,通过模拟酶消化来预测牛血红蛋白五肽的ACE抑制活性。五肽 WTQRF 具有最佳预测值,实验 IC50 为 23.93 μM。通过灵活对接研究了WTQRF/ACE相互作用的潜在分子机制。
Development of angiotensin I-converting enzyme (ACE, EC 3.4.15.1) inhibitory peptides from food protein is under extensive research as alternative for the prevention of hypertension. However, it is difficult to identify peptides released from food sources. To accelerate the progress of peptide identification, a three layer back propagation neural network model was established to predict the ACE-inhibitory activity of pentapeptides derived from bovine hemoglobin by simulated enzyme digestion. The pentapeptide WTQRF has the best predicted value with experimental IC50 23.93 μM. The potential molecular mechanism of the WTQRF / ACE interaction was investigated by flexible docking.
评估降血压肽与肾素和血管紧张素转换酶相互作用的分子机制
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