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Protein-protein Interfaces

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...

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相关实验视频

Updated: Sep 19, 2025

Protein Engineering by Yeast Surface Display

Protein Engineering by Yeast Surface Display

Published on: November 29, 2024

解码蛋白质-相互作用使用一个大,目标无知酵母表面显示图书馆.

Joseph D Hurley¹, Irina Shlosman¹, Megha Lakshminarayan¹

¹Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.

bioRxiv : the preprint server for biology

|June 6, 2025

概括

研究人员开发了一个大型酵母表面显示库,以发现蛋白质的高亲和性结剂. 这种方法可以有效地识别新的配体,并描述生物医学应用的结合相互作用.

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Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions

Published on: August 2, 2015

Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates

Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates

Published on: December 6, 2017

相关实验视频

Last Updated: Sep 19, 2025

Protein Engineering by Yeast Surface Display

Protein Engineering by Yeast Surface Display

Published on: November 29, 2024

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions

Published on: August 2, 2015

Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates

Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates

Published on: December 6, 2017

科学领域:

生物化学生物化学
分子生物学分子生物学
生物技术是生物技术.

背景情况:

蛋白质-的相互作用对于生物过程和药物发现至关重要.
目前用于识别高亲和性结体的方法通常具有低通量.
描述驱动蛋白质结合的序列属性是具有挑战性的.

研究的目的:

开发一种高通量方法,用于发现具有高亲和度与蛋白结合的联体.
描述那些调解蛋白质-结合相互作用的序列动图.
创建一个多功能酵母表面显示库,用于生物化学研究中的更广泛应用.

主要方法:

构建一个酵母表面显示库,大约有6.1×10^9个独特的.
选图书馆针对各种蛋白质标,包括抗体,E3泛酸酶和细菌酶.
结合基因和新型高 afinity 克隆的识别.

主要成果:

成功识别每个测试的蛋白质标的特定结合基因.
发现了多个表现出高亲和度结合的新克隆.
展示图书馆在不同蛋白质类别的有效性.

结论:

酵母表面显示库是用于配体发现的强大而通用的工具.
这种方法有助于对蛋白质-结合相互作用的表征.
图书馆将提供,以便在该领域进行进一步的研究.