Proteomics

Dataset Information

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Immunoprecipitated PARP1 interactome


ABSTRACT: Poly-(ADP-ribose) polymerase inhibitors (PARPi) elicit anti-tumour activity in homologous recombination defective cancers by promoting cytotoxic, chromatin-bound, “trapped” PARP1 DNA lesions. How cells process trapped PARP1 remains unclear. By exploiting wild-type or trapping-resistant PARP1 transgenes combined with rapid immunoprecipitation mass-spectrometry of endogenous proteins (RIME) and Apex2-proximity labelling, we generated proteomic profiles of trapped and non-trapped PARP1 complexes. This combined approach identified an interaction between PARP1 and the ubiquitin system including its central component - the ubiquitin-regulated p97 ATPase (aka VCP).

INSTRUMENT(S): Orbitrap Fusion

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Cell Culture

SUBMITTER: James Wright  

LAB HEAD: Jyoti Choudhary

PROVIDER: PXD024337 | Pride | 2021-10-05

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Fusion_DK06-1.msf Msf
Fusion_DK06-1.raw Raw
Fusion_DK06-2.msf Msf
Fusion_DK06-2.raw Raw
Fusion_DK06-3.msf Msf
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