Correlation of translational parameters’ values among interacting proteins. The plots show 95% CIs for Spearman correlation coefficient calculated separately for each translational parameter between the first and second partners from a given set of PPIs. For each species, four sets of PPIs were analyzed: co-complex, binary, random, and extracted from a shuffled co-complex network. For E.coli the analysis was repeated using intra-operon proteins instead of co-complex PPIs (right bottom panel). For most cases, the strongest correlations are observed for co-complex PPIs (or intra-operon proteins for E.coli), especially for the protein production rate R, number of produced proteins from a gene B, transcript abundance x, and in case of yeast also mean codon elongation time e; n – sample size.