Table 2. Performance of identifying binding sites as a function of superfamily classification on the combined set of 241 test proteins.

CATH Superfamily	Total # of cases	Significance (ZDOCK) (%)	Significance (GRAMM) (%)
Yes	91	71.0	30.0
No	131	62.6	40.8
MIixed	17	82.3	43.8
Not Classified	2	50.0	50.0