Table 2.

Partial Correlations of Various Quantities with d_N/d_S

Quantity | Controlled Quantity	Spearman’s ρ	P Value
Enzyme connectivity | Protein abundance	0.009	8.3 × 10−1
Betweenness centrality | Protein abundance	0.082	5.1× 10−2
Metabolic flux | Protein abundance	−0.164	1.5 × 10−4
SIglu | Protein abundance	−0.198	6.9 × 10−6
SIglu | Metabolic flux	−0.197	3.4 × 10−6
SI54 | Protein abundance	−0.187	2.1 × 10−5
SI54 | Metabolic flux	−0.190	7.4 × 10−6