Figure 4: Tissue specificity of phosphoproteins.
From: Quantitative maps of protein phosphorylation sites across 14 different rat organs and tissues
(a) Histogram depicting the number of phosphoproteins identified in 1 to 14 tissues. (b) Phosphoproteins identified in one tissue are classified as tissue specific, whereas those identified in 14 tissues are classified as global. GO term analysis were made for tissue specific as well as global phosphoproteins. The P-values for over-representation in either of the two categories were calculated with the Wilcoxin–Mann–Whitney test and a Benjamini–Hochberg false discovery rate test was applied to account for multiple testing. Enriched GO terms for cellular component (CC), molecular function (MF) and biological process (BP) are shown. The numbers next to each bar indicate how many proteins form basis for any given term, and how many of those are found among the enriched fraction.
