Chemical Biology Program

The Heeseon An Lab

Research

Heeseon An
Heeseon An, PhD

Human cells orchestrate up to ~20,687 proteins to maintain cell growth and survival. Upon environmental change, cells dynamically remodel their proteomic landscape by two simultaneous processes: enhancing the synthesis of proteins that respond to the altered cellular conditions and degrading a subset of the pre-existing proteome. Any defect in this nature’s fine-tuned system hampers regulated cell growth as exemplified by cancer and neurodegenerative disorders. To fully understand the underlying pathology of the dysregulated proteostasis system, Heeseon An’s lab studies the regulatory mechanisms of protein translation and degradation processes in health and disease. Importantly, we develop chemical, biological, and proteomics tools to enable quantitative analyses of the cell biological events.

Heeseon An's Lab Picture

Publications Highlights

Jordan VN, Ordureau A, An H* (2023) Identifying E3 ligase substrates with quantitative degradation proteomics. Chembiochem. Online ahead of print.

An H#, Ordureau A#, Koerner M, Paulo JA, Harper JW (2020) Systematic quantitative analysis of ribosome inventory during nutrient stress. Nature, 583, 303-309. # equal contribution

An H, Harper, JW (2020) Ribosome Abundance Control Via the Ubiquitin-Proteasome System and Autophagy. J. Mol. Biol. 432, 170-184, review article

An H, Ordureau A, Paulo JA, Shoemaker CJ, Denic V, Harper JW (2019) TEX264 Is an Endoplasmic Reticulum-Resident ATG8-Interacting Protein Critical for ER Remodeling during Nutrient Stress. Molecular Cell, 74, 891-908.

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People

Heeseon An

Heeseon An, PhD

  • Heeseon An’s lab studies protein degradation in health and disease using chemical, biological, and proteomics tools.
  • BS and MS, Chemistry, Seoul National University
  • PhD, Chemistry, Northwestern University
  • Postdoc, Cell Biology, Harvard Medical School
[email protected]
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Members

Liang Sun
Liang Sun

Post-doctoral Fellow

Sang Ah Yi
Sang Ah Yi

Post-doctoral Fellow

Ersilia Barin
Ersilia Barin

WCM Pharm graduate student

Victoria Jordan
Victoria Jordan

TPCB graduate student

Brittany Pham
Brittany Pham

WCM Pharm graduate student

Karl Lin

TPCB graduate student

Deepika Nambiar

TPCB graduate student

Angela Job

Administrative Assistant

Lab Alumni
Mel-Quann Hodge

Administrative Assistant

Lab Affiliations

Achievements

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Disclosures

Doctors and faculty members often work with pharmaceutical, device, biotechnology, and life sciences companies, and other organizations outside of MSK, to find safe and effective cancer treatments, to improve patient care, and to educate the health care community.

MSK requires doctors and faculty members to report (“disclose”) the relationships and financial interests they have with external entities. As a commitment to transparency with our community, we make that information available to the public.

Heeseon An discloses the following relationships and financial interests:

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