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. 2017 Sep 8;7:11045. doi: 10.1038/s41598-017-11643-w

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Principle component analysis and proteins with significantly changed levels during platelet storage. (a) Principle component analysis performed on proteins identified in all samples measured (n = 1753). Principle component (PC) 1 captures 35%, PC2 13.9%. (b) Including PC3, 7% of differences were explained. (c) Heat map and hierarchical clustering (based on average Euclidean distance and preprocessed with k-means) of proteins with significantly changed levels (n = 21). Proteins are indicated by gene names. Heat map colors (see legend) are based on the z-scored LFQ data (log2) reported in Supplementary Table S1. (d) List of 21 proteins changing in abundancy during storage. Time period from which protein was significantly different compared to day 1 is indicated (P < 0.05). *Peptides identified and quantified for H2A correspond to the sequence of more than 1 histone H2A variant. These peptides originate from one or more of the following histones: H2AFJ, HIST1H2AJ, HIST1H2AH, HIST1H2AC, HIST3H2A, HIST1H2AD, HIST1H2AG, HIST1H2AB, HIST2H2AB and H2AFX.