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MB Sample ID: SA308603

Local Sample ID:Neg_WT_4
Subject ID:SU002962
Subject Type:Cultured cells
Subject Species:Homo sapiens
Taxonomy ID:9606

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Sample Preparation:

Sampleprep ID:SP002968
Sampleprep Summary:Cells were quenched with cold LC/MS-grade methanol, then scraped and transferred to Eppendorf tubes. Samples were dried in a SpeedVac. The samples were then reconstituted in 1 mL of cold methanol:acetonitrile:water (2:2:1) and subjected to three cycles of vortexing, freezing in liquid nitrogen, and 10 min of sonication at 25 °C. Samples were stored at −20 °C overnight and then centrifuged for 10 min at 14,000×g and 4 °C. Supernatants were transferred to new tubes and dried by a SpeedVac. The protein abundance of each sample was determined by using BCA. A quantity of 1 μl of acetonitrile:water (2:1) per each 2.5 μg of protein was used. Samples were subjected to two cycles of vortexing and 10 min of sonication at 25 °C. Next, samples were centrifuged for 10 min at 14,000×g and 4 °C, transferred supernatant to LC vials, and stored at −80 °C until MS analysis
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