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Title 

Surface plasmon resonance imaging analysis of protein-protein interactions using on-chip-expressed capture protein

 

On-chip 발현된 capture 단백질을 이용한 단백질 상호작용의 SPR 이미징 분석

Authors 

Moonil KimKyoungsook ParkEun-Ju JeongYong Beom ShinBong Hyun Chung

Publisher 

Elsevier

Issue Date 

2006

Citation 

Analytical Biochemistry, vol. 351, no. 2, pp. 298-304

Keywords 

microwell chipOn-chip cell cultivationprotein-protein interactionSPR imaginghybrid proteinrecombinant proteindimerizationimmobilizationmedical instrumentationprotein analysis

Abstract 

A surface plasmon resonance (SPR) imaging system, combined with a microwell gold chip for on-chip cell cultivation, was used to monitor protein-protein interactions. In particular, we developed an on-chip microscale cell cultivation system that integrates cell culture and on-chip analysis of protein-protein interactions on a single microwell chip in a time- and labor-saving manner. To assess the performance of this system in the analysis of protein-protein interactions, we conducted a series of protein-protein interaction analyses by measuring the binding of the yeast GAL4 dimerization domain (GAL4DD) to the GAL11 protein (GAL11P). Our system was found to enable the simple and rapid analysis of protein-protein interactions, requiring no special cell culturing equipment or recombinant protein expression prior to the immobilization of the purified proteins onto the chip. Our results demonstrate that the combination of an on-chip cell cultivation system and an SPR imaging system can be a useful tool to study protein-protein interactions without the need for time-consuming and labor-intensive protein preparation steps as well as fluorescent or other labeling of the interactants.

ISSN 

0003-2697

Link 

http://dx.doi.org/10.1016/j.ab.2006.01.042

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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