Protein levels (mass spectrometry by CPTAC)

[Anjali Mittal]

Hello

I downloaded the CPTAC protein levels data for ovarian cancer. I am unable to understand the data values provided. They are integer values in [-2,2]. I checked the CPTAC website for some explanation of the values but failed to find it. I would be grateful if you could provide information on how the MS data was used to produce the final data.

Thank You  
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Anjali Mittal

Ph.D. Candidate, D Nagrath Research Group

University of Michigan

[Kelsey Zhu]

Hi Anjali,

please check to see if this article (https:/www.biorxiv.org/content/biorxiv/early/2018/01/15/247718.full.pdf) answers your questions. 

Best!

Kelsey

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