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c(RGDyC)|cyclo(RGDyC) (Remark:y is D-Tyr)

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c(RGDyC)
cyclo(RGDyC) (Remark:y is D-Tyr)
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The Catalytically Inactive Mutation of the Ubiquitin-Conjugating Enzyme CDC34 Affects its Stability and Cell Proliferation

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Identification and Inhibitory Mechanism of Angiotensin I-Converting Enzyme Inhibitory Peptides Derived from Bovine Hemoglobin

Author：Ying Wang, Yiqun Jiang, Yongguang Yin, Jiyun Liu,  Long Ding, Jingbo Liu, Ting Zhang     《The Protein Journal》 ABSTRACTS Angiotensin I-converting enzyme (ACE, EC.3.4.15.1) inhibitory peptide is an efficacious therapy for hypertension. In this study, four dipeptides, TY, FD, FL and FG, were identified from the desalted fraction of bovine hemoglobin hydrolysate, obtained by in vitro simulated gastrointestinal digestion, via liquid chromatography-tandem mass spectrometry (LC-MS/MS). The IC 50   value of TY and FL are 96.43?±?6.17 and 290.66?±?57.92  μM, respectively. The result of molecular docking indicated that TY occupied the ACE subsite S1 and S1′ with a lowest estimated binding energy of ?9.96  Kcal/mol, while FL occupied the subsite S5 with a lowest estimated binding energy of ?9.37  Kcal/mol. The subsite S1′ and S2′ are closer to the ACE active center (Zn 2+ ) than S5, and the lowest estimated binding energy of TY is lower ...
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Preparation of an antimicrobial surface by direct assembly of antimicrobial peptide with its surface binding activity

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