It appears that the statistical analysis of protein co-localization in Figure 1—figure supplement 2 and Figure 6—figure supplement 1 is based on the number of cells analyzed:10 cells per condition – a fairly low number – which the authors say to derive from 2 independent experiments. According to convention in experimental biology individual cells from a cell line cannot be considered n for statistical analysis. Hence, n in fact equals "2" in this case, which does not allow for statistical testing by either parametric or non-parametric tests. However, as the phenotypes are clear-cut and in the interest of timely publication we recommend simply eliminating the statistical test from the figure, legend, and the text and simply leave the bar diagrams including error bars as a means of quantitation.