PXD048942
PXD048942 is an original dataset announced via ProteomeXchange.
Dataset Summary
Title | Structural mass spectrometry captures residue-resolved comprehensive conformational rearrangements of a G protein-coupled receptor |
Description | GPCR structural studies with in-solution spectroscopic approaches have offered distinctive insights into GPCR activation and signaling that highly complement those yielded from structural snapshots by crystallography or cryo-EM. While most current spectroscopic approaches excel at probing structural changes at selected residues or loop regions, they are not suitable for capturing a holistic view of GPCR conformational rearrangements across multiple domains. Herein, we develop an approach based on limited proteolysis mass spectrometry (LiP-MS) to simultaneously monitor conformational alterations of a large number of residues spanning both flexible loops and structured transmembrane domains for a given GPCR. To benchmark LiP-MS for GPCR conformational profiling, we studied adenosine 2A receptor (A2AR) in response to different ligand binding (agonist/antagonist/allosteric modulators) and G protein coupling. Systematic and residue-resolved profiling of A2AR conformational rearrangements by LiP-MS precisely captures structural mechanisms in multiple domains underlying ligand engagement, receptor activation and allostery, and may also reflect local conformational flexibility. Furthermore, these residue-resolution structural fingerprints of A2AR protein allow us to readily classify ligands of different pharmacology and distinguish the G protein-coupled state. Thus, we establish a new structural MS approach that would help address ligand or transducer-induced conformational transition and plasticity, a long-standing challenge for GPCR biology and rational drug design. |
HostingRepository | iProX |
AnnounceDate | 2024-04-26 |
AnnouncementXML | Submission_2024-07-17_00:04:18.750.xml |
DigitalObjectIdentifier | |
ReviewLevel | Peer-reviewed dataset |
DatasetOrigin | Original dataset |
RepositorySupport | Unsupported dataset by repository |
PrimarySubmitter | Hongyue Liu |
SpeciesList | scientific name: Homo sapiens; NCBI TaxID: 9606; |
ModificationList | No PTMs are included in the dataset |
Instrument | Q Exactive HF |
Dataset History
Revision | Datetime | Status | ChangeLog Entry |
---|---|---|---|
0 | 2024-01-28 18:02:56 | ID requested | |
⏵ 1 | 2024-07-17 00:04:19 | announced |
Publication List
Liu H, Yan P, Zhang Z, Han H, Zhou Q, Zheng J, Zhang J, Xu F, Shui W, Structural Mass Spectrometry Captures Residue-Resolved Comprehensive Conformational Rearrangements of a G Protein-Coupled Receptor. J Am Chem Soc, 146(29):20045-20058(2024) [pubmed] |
Keyword List
submitter keyword: GPCR, LiP-MS, structural mass spectrometry, adenosing 2A receptor |
Contact List
Wenqing Shui | |
---|---|
contact affiliation | iHuman Institute |
contact email | shuiwq@shanghaitech.edu.cn |
lab head | |
Hongyue Liu | |
contact affiliation | ShanghaiTech University |
contact email | liuhy5@shanghaitech.edu.cn |
dataset submitter |
Full Dataset Link List
iProX dataset URI |