5월 27일(목) 대학원 세미나 / 김종서 교수(서울대학교 생명화학부)

by 관리자 posted May 24, 2021
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초청강사 김종서 교수
소속 서울대학교 생명화학부
일시 2021년 5월 27일(목) 오후 5:00
장소 ZOOM

5월 27일(목) 세미나도 출석 및 과제 제출 대상입니다.

 

 

Mass spectrometry based macromolecular interactomics

 

 

Mass spectrometric profiling of biomolecular interactions such as protein to protein or protein to nucleic acids provides critical information for function, yet is often difficult to accurately capture and define in system-wide manner. To do so, the innate limitation of mass spectrometry compared to next generation sequencing approaches, which is the incapability of molecular amplification via such as PCR, needs to be overcome. In this regard, the analytical development for ultrasensitive and unbiased quantification platform is highly desirable for the next level of molecular interactomics, i.e., system-wide profiling of molecular interactions. Here, I will introduce my recent development for ultrasensitive liquid chromatography and mass spectrometry (LC-MS) system and accurate proteome quantification platform to capture molecular interactions more comprehensively. And then I will show detail examples about the profiling of macromolecular interactions including protein-protein interactions using proximity labeling and RNA-protein interactions, which were enabled by the developed sensitive proteomics platform. Lastly, the future direction toward next generation molecular interactomics including the direct identification of ligands bound to protein via mass spectrometry will be discussed. 

 

 

20210527_대학원세미나_김종서 교수.pdf