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A structural model of the immune checkpoint CD160-HVEM complex derived from HDX-mass spectrometry and molecular modeling.

Katarzyna Kuncewicz | Marta Spodzieja | Adam Sieradzan | Agnieszka Karczyńska | Katarzyna Dąbrowska | Michał Dadlez | Daniel E Speiser | Laurent Derre | Sylwia Rodziewicz-Motowidło
Oncotarget | 2019

CD160 is a T cell coinhibitory molecule that interacts with the herpes virus entry mediator (HVEM) on antigen-presenting cells to provide an inhibitory signal to T cells. To date, the structure of CD160 and its complex with HVEM are unknown. Here, we have identified the fragments of CD160 interacting with HVEM using ELISA tests, hydrogen/deuterium studies, affinity chromatography and mass spectrometry (MS). By combining hydrogen/deuterium exchange and mass spectrometry (HDX-MS) we obtained key information about the tertiary structure of CD160, predicting the 3D structure of the CD160-HVEM complex. Our results provide insights into the molecular architecture of this complex, serving as a useful basis for designing inhibitors for future immunotherapies.

Pubmed ID: 30728903

Research resources used in this publication

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Publication data is provided by the National Library of Medicine ® and PubMed ®. Data is retrieved from PubMed ® on a weekly schedule. For terms and conditions see the National Library of Medicine Terms and Conditions.

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