Proteomics

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Protein phosphorylation of IFNgR1 knockout B16 cells


ABSTRACT: B16 cells were transduced by lentivirus encoding scramble shRNA and engineered to obtain two IFNgR1-knockout cell clones. Proteins from these cells were digested by TPCK-trypsin. Equal amount of peptides were labelled with TMTpro reagents and pooled. Phosphopeptides were enriched from 90% of the pooled peptides using TiO2 beads, and fractionated with the Pierce high pH reversed-phase peptide fractionation kit to get six fractions. The remaining 10% pooled peptides (called total peptides) were fractionated similarly to get five fractions. Peptides from each fraction were analyzed using HPLC-ESI-MS/MS. Some fractions were analyzed twice. TMTpro channels 1-4: four independent samples of scramble shRNA group; channels 5-8: four independent samples of IFNgR1 knockout cell clone 1; channels 9-12: four independent samples of IFNgR1 knockout cell clone 2; channels 13-16: samples not related to this study.

INSTRUMENT(S): Orbitrap Fusion Lumos

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

SUBMITTER: Lewis Zhichang Shi  

PROVIDER: MSV000087796 | MassIVE | Mon Jul 12 08:34:00 BST 2021

REPOSITORIES: MassIVE

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