EHO 
Summary statistics 
P_{c}: proportion of C in the training set; r_{c}: global rate of C; P_{C}/LG: correlation of C aminoacid frequencies compared to LG frequencies; R_{C}/LG: correlation of C and LG exchangeabilities using log values (exchangeabilities are highly contrasted with some very small values);Q_{C}/LG: correlation of C and LG rates using log values. 
Equilibrium aminoacid frequencies: P_{C} 
Exchangeability matrices: R_{C} 
C 
Extended 
Helix 
Other 
0.208 
0.360 
0.432 

0.857 
1.163 
0.932 

0.729 
0.777 
0.625 

0.964 
0.935 
0.958 

0.959 
0.946 
0.961 