From: Evolutionary rates and centrality in the yeast gene regulatory network
 | PC1 | PC2 | PC3 | PC4 | ||||
---|---|---|---|---|---|---|---|---|
 | YTN1 | YTN2 | YTN1 | YTN2 | YTN1 | YTN2 | YTN1 | YTN2 |
Percent variance explained by each PC | 27 | 29 | 20 | 19 | 15 | 15 | 12 | 10 |
Effect of PCs on response variables | Â | Â | Â | Â | Â | Â | Â | Â |
   dN | 0.118†| -0.026 | -0.172‡ | 0.166* | 0.015 | 0.199†| -0.065 | 0.144 |
   dS | -0.001 | -0.009 | -0.122* | -0.046 | -0.161†| -0.094 | 0.073 | 0.096 |
   dS' | -0.014 | -0.019 | -0.053 | -0.030 | -0.108 | -0.114 | 0.082 | 0.078 |
   dN/dS | 0.114†| -0.028 | -0.113* | 0.194†| 0.106 | 0.240†| -0.123* | 0.117 |
   dN/dS' | 0.132†| -0.025 | -0.169‡ | 0.190†| 0.064 | 0.248†| -0.106 | 0.122 |
   Residuals dN-dS | 0.124†| -0.024 | -0.141†| 0.189†| 0.071 | 0.239†| -0.093 | 0.120 |
Contribution of predictor variables to each PC | Â | Â | Â | Â | Â | Â | Â | Â |
   CAI | -0.095 | 0.228 | 0.535 | -0.356 | 0.419 | 0.435 | 0.069 | 0.405 |
   Expression level | 0.008 | 0.289 | 0.515 | -0.297 | 0.154 | 0.468 | -0.596 | -0.280 |
   Expression variability | 0.290 | -0.105 | -0.350 | 0.616 | 0.454 | -0.050 | 0.132 | -0.009 |
   k in | 0.538 | 0.423 | 0.195 | 0.413 | 0.288 | 0.333 | 0.061 | 0.140 |
   k out | 0.464 | 0.453 | -0.047 | 0.052 | -0.419 | -0.353 | -0.023 | -0.157 |
   Centrality | 0.623 | 0.564 | 0.176 | 0.312 | -0.095 | -0.010 | 0.067 | 0.050 |
   Essentiality | -0.115 | 0.230 | 0.415 | -0.241 | -0.102 | -0.506 | 0.776 | 0.634 |
   GO | 0.011 | 0.314 | 0.287 | -0.277 | -0.562 | -0.313 | -0.109 | -0.556 |