Abstract：
:Acyl-coenzyme A (CoA)/protein interactions are essential for life. Despite this importance, their global scope and selectivity remains undefined. Here, we describe CATNIP (CoA/AcetylTraNsferase Interaction Profiling), a chemoproteomic platform for the high-throughput analysis of acyl-CoA/protein interactions in endogenous proteomes. First, we apply CATNIP to identify acetyl-CoA-binding proteins through unbiased clustering of competitive dose-response data. Next, we use this method to profile the selectivity of acyl-CoA/protein interactions, leading to the identification of specific acyl-CoA engagement signatures. Finally, we apply systems-level analyses to assess the features of protein networks that may interact with acyl-CoAs, and use a strategy for high-confidence proteomic annotation of acetyl-CoA-binding proteins to identify a site of non-enzymatic acylation in the NAT10 acetyltransferase domain that is likely driven by acyl-CoA binding. Overall, our studies illustrate how chemoproteomics and systems biology can be integrated to understand the roles of acyl-CoA metabolism in biology and disease.
journal_name
Cell Chem Bioljournal_title
Cell chemical biologyauthors
Levy MJ,Montgomery DC,Sardiu ME,Montano JL,Bergholtz SE,Nance KD,Thorpe AL,Fox SD,Lin Q,Andresson T,Florens L,Washburn MP,Meier JLdoi
10.1016/j.chembiol.2019.11.011subject
Has Abstractpub_date
2020-03-19 00:00:00pages
322-333.e5issue
3eissn
2451-9456issn
2451-9448pii
S2451-9456(19)30393-9journal_volume
27pub_type
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