Proteomics

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The NuRD complex is required for Thpok-mediated CD4+ T cell development

ABSTRACT: This data represent characterization of the interactome of murine Thpok. A version of Thpok (Thpok-Bio) subject to biotinylation in vivo by the BirA biotin ligase was used; to assess Thpok interactions in primary cells, Thpok-Bio was retrovirally expressed in in vitro activated CD4+ T cells from Thpokfl/fl Ox40-Cre+ mice carrying a Rosa26BirA allele. Expression of Ox40-Cre, initiated upon T cell activation, causes the deletion of endogenous Thpokfl alleles, so that transduced cells only express Thpok-Bio. Two Thpok deletion constructs (BKK and RFK) were also analyzed. Following streptavidin pulldown, proteins were separated by SDS-PAGE, the full lane cut into 9 slices, and in-gel digested. FIles are: 1384 - empty vector; 1385 - Thpok; 1386 - Thpok + Ethidium Bromide; 1387 - Thpok BKK; 1388 - Thpok RFK.

INSTRUMENT(S): Orbitrap Fusion

ORGANISM(S): Mus Musculus (ncbitaxon:10090)

SUBMITTER: Lisa Jenkins  

PROVIDER: MSV000088126 | MassIVE |

SECONDARY ACCESSION(S): PXD028661

REPOSITORIES: MassIVE

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Although BTB-zinc finger (BTB-ZF) transcription factors control the differentiation of multiple hematopoietic and immune lineages, how they function is poorly understood. The BTB-ZF factor Thpok controls intrathymic CD4<sup>+</sup> T cell development and the expression of most CD4<sup>+</sup> and CD8<sup>+</sup> lineage genes. Here, we identify the nucleosome remodeling and deacetylase (NuRD) complex as a critical Thpok cofactor. Using mass spectrometry and coimmunoprecipitation in primary T cel  ...[more]

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