Proteomics

Dataset Information

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SILAC-Tp (12 importins) - Extensive cargo identification reveals distinct biological roles of the 12 importin pathways


ABSTRACT: Importin-beta family proteins are nucleocytoplasmic transport receptors (NTRs), and they transport most nuclear proteins as their cargoes into and out of the nuclei. Human cells have 20 species of importin-beta family NTRs, of which 10 (importin-beta, transportin-1, -2, -SR, importin-4, -5, -7, -8, -9, and -11) are nuclear import receptors and 2 (importin-13, and exportin-4) are bi-directional receptors. Here, we identified the import cargo proteins of these 12 NTRs by a method called SILAC-Tp, which employs stable isotope labeling with amino acids in cell culture (SILAC), an in vitro reconstituted transport system, and LC-MS/MS.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Permanent Cell Line Cell, Hela Cell

DISEASE(S): Disease Free

SUBMITTER: Makoto Kimura  

LAB HEAD: Naoko Imamoto

PROVIDER: PXD004655 | Pride | 2017-01-20

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
140815_QE_206_Kimura_01_AC_1.raw Raw
140815_QE_206_Kimura_02_AC_2.raw Raw
140815_QE_206_Kimura_03_AC_3.raw Raw
140815_QE_206_Kimura_04_AC_4.raw Raw
140815_QE_206_Kimura_05_A13_1.raw Raw
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Publications

Extensive cargo identification reveals distinct biological roles of the 12 importin pathways.

Kimura Makoto M   Morinaka Yuriko Y   Imai Kenichiro K   Kose Shingo S   Horton Paul P   Imamoto Naoko N  

eLife 20170124


Vast numbers of proteins are transported into and out of the nuclei by approximately 20 species of importin-β family nucleocytoplasmic transport receptors. However, the significance of the multiple parallel transport pathways that the receptors constitute is poorly understood because only limited numbers of cargo proteins have been reported. Here, we identified cargo proteins specific to the 12 species of human import receptors with a high-throughput method that employs stable isotope labeling w  ...[more]

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