Abstract
Direct identification of the proteins targeted by small molecules can provide clues for disease diagnosis, prevention, and drug development. Despite concentrated attempts, there are still technical limitations associated with the elucidation of direct interactors. Herein, we report a target-ID system called proximity-based compound-binding protein identification (PROCID), which combines our direct analysis workflow of proximity-labeled proteins (Spot-ID) with the HaloTag system to efficiently identify the dynamic proteomic landscape of drug-binding proteins. We successfully identified well-known dasatinib-binding proteins (ABL1, ABL2) and confirmed the unapproved dasatinib-binding kinases (e.g., BTK and CSK) in a live chronic myeloid leukemia cell line. PROCID also identified the DNA helicase protein SMARCA2 as a dasatinib-binding protein, and the ATPase domain was confirmed to be the binding site of dasatinib using a proximity ligation assay (PLA) and in cellulo biotinylation assay. PROCID thus provides a robust method to identify unknown drug-interacting proteins in live cells that expedites the mode of action of the drug.
Original language | English |
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Pages (from-to) | 1739-1753.e6 |
Journal | Cell Chemical Biology |
Volume | 29 |
Issue number | 12 |
DOIs | |
Publication status | Published - 2022 Dec 15 |
Bibliographical note
Funding Information:This work was supported by the National Research Foundation of Korea ( NRF-2022R1A2B5B03001658 , NRF-2022M3E5E8081185 , and NRF-2022M3H9A2096199 to H.W.R., NRF-2021R1F1A1047853 to J.K.S., NRF-2018M3A9G4078528 , NRF-2019R1F1A1060487 , and NRF-2020R1A5A2017323 to E.H., NRF-2022R1C1C2006983 to C.K.), the Organelle Network Research Center ( NRF-2017R1A5A1015366 ), and the Korea Health Industry Development Institute ( KHIDI ) funded by the Ministry of Health & Welfare and Ministry of Science and Information & Communication Technology ( ICT ), Republic of Korea (grant HU20C0326 ). E.H. was supported by a Korea Evaluation Institute of Industrial Technology ( KEIT ) grant funded by the Korea Government ( MOTIE ) ( 20020237 ). H.J.K. was supported by grants from the National Research Foundation of Korea ( MSIP ; 2021R1A3B1077371 and 2015K1A1A2028365 ) and the Brain Korea 21 Yonsei Education & Research Center for Biosystems, Republic of Korea. H.W.R. was supported by the Samsung Science & Technology Foundation ( SSTF-BA2201-08 ). The authors thank Dr. Jae Hyun Bae (ERASCA, San Diego) for helpful discussion on this work.
Funding Information:
This work was supported by the National Research Foundation of Korea (NRF-2022R1A2B5B03001658, NRF-2022M3E5E8081185, and NRF-2022M3H9A2096199 to H.W.R. NRF-2021R1F1A1047853 to J.K.S. NRF-2018M3A9G4078528, NRF-2019R1F1A1060487, and NRF-2020R1A5A2017323 to E.H. NRF-2022R1C1C2006983 to C.K.), the Organelle Network Research Center (NRF-2017R1A5A1015366), and the Korea Health Industry Development Institute (KHIDI) funded by the Ministry of Health & Welfare and Ministry of Science and Information & Communication Technology (ICT), Republic of Korea (grant HU20C0326). E.H. was supported by a Korea Evaluation Institute of Industrial Technology (KEIT) grant funded by the Korea Government (MOTIE) (20020237). H.J.K. was supported by grants from the National Research Foundation of Korea (MSIP; 2021R1A3B1077371 and 2015K1A1A2028365) and the Brain Korea 21 Yonsei Education & Research Center for Biosystems, Republic of Korea. H.W.R. was supported by the Samsung Science & Technology Foundation (SSTF-BA2201-08). The authors thank Dr. Jae Hyun Bae (ERASCA, San Diego) for helpful discussion on this work. H.W.R. conceptualized the idea; E.H. H.G.M. Y.H.P. S.Y.K. S.L. and C.Y.L. prepared the chemical probes and performed the cytotoxicity assay; C.K. M.G.K. and C.P. conducted the cloning, imaging, western blot, stable cell line generation, and mass sampling experiments; M.K. and H.J.K. conducted PLA experiments; J.K.S. conducted the mass analysis; C.K. C.P. H.J.K. E.H. J.K.S. and H.W.R. wrote the manuscript. The authors have no competing interests. A patent application has been filed by Seoul National University relating to this work. We support inclusive, diverse, and equitable conduct of research.
Publisher Copyright:
© 2022 Elsevier Ltd
All Science Journal Classification (ASJC) codes
- Biochemistry
- Molecular Medicine
- Molecular Biology
- Pharmacology
- Drug Discovery
- Clinical Biochemistry