Proteomics

Dataset Information

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Chemical Targeting of the Redox Switch in the Transcription Factor ΔFOSB


ABSTRACT: Purified protein fragments (~8 kDa bZIP domains, ΔFOSB and JunD) were reacted with individual compounds selected from a previous library screen. Reacted proteins were analyzed by LC-MS/MS peptide mapping and LC-MS intact mass analysis.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Permanent Cell Line Cell

DISEASE(S): Mixed Disorder As Reaction To Stress

SUBMITTER: Aaron Bailey  

LAB HEAD: Gabrielle Rudenko

PROVIDER: PXD035839 | Pride | 2022-10-14

REPOSITORIES: Pride

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Publications


The AP1 transcription factor ΔFOSB, a splice variant of FOSB, accumulates in the brain in response to chronic insults such as exposure to drugs of abuse, depression, Alzheimer's disease and tardive dyskinesias, and mediates subsequent long-term neuroadaptations. ΔFOSB forms heterodimers with other AP1 transcription factors, e.g. JUND, that bind DNA under control of a putative cysteine-based redox switch. Here, we reveal the structural basis of the redox switch by determining a key missing crysta  ...[more]

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