Figure 4From: Species-specific protein sequence and fold optimizationsORF and Fold compositions are significantly different Log of two-tailed paired t-test probabilities between ORF and fold amino acid mean compositions across all genomes, without filtering (no-filt) and with four filtering methods: transmembrane, coiled-coil, low-complexity and compositional bias (filt). Values of less than -2.5 indicate a significant difference.Back to article page