Table 4 

Correlation between ortholog substitution levels and the substitution levels between the most closely related paralogs for lineage specific expansions (Figure 3) 

Lineage^{a} 
Slope^{b} 
r^{2c} 
P^{d} 


Human specific (12a) 
2.0 × 10^{1} 
7.8 × 10^{2} 
1.6 × 10^{34} 
Mammalian specific (22a) 
2.1 × 10^{1} 
2.2 × 10^{1} 
2.7 × 10^{114} 
Vertebrate and before (32a) 
8.2 × 10^{2} 
7.3 × 10^{2} 
9.9 × 10^{132} 
S. cerevisiae specific (12b) 
8.3 × 10^{1} 
4.6 × 10^{1} 
1.7 × 10^{58} 
S. cerevisiae – C. albicans (22b) 
4.6 × 10^{1} 
4.2 × 10^{1} 
3.4 × 10^{18} 
Yeast and before (32b) 
3.3 × 10^{1} 
2.1 × 10^{1} 
2.8 × 10^{54} 


^{a }Lineage specific expansions for which comparisons were performed (numbers in parentheses correspond to Figure 3a and 3b) ^{b }Slope of the linear regression line (i.e. y from the equation y = mx + b) ^{c }Square of the correlation coefficient (corresponds to the fraction of variation in ortholog evolutionary rates explained by the variation in paralog evolutionary rate) ^{d }Pvalue for correlation coefficient 

Jordan et al. BMC Evolutionary Biology 2004 4:22 doi:10.1186/14712148422 