Table 2.

The correlation coefficient of the residue contact order and the prediction accuracy

	4.5 Å						6 Å
Threshold valuea Window sizeb	3	5	9	15	21	25	3	5	9	15	21	25
PSIPRED	−0.720	−0.729	−0.703	−0.531	−0.236	−0.360	−0.845	−0.772	−0.673	−0.795	−0.818	−0.657
Jnet	−0.518	−0.589	−0.553	−0.510	−0.147	−0.141	−0.571	−0.587	−0.517	−0.483	−0.703	−0.563
PREDATOR	−0.324	−0.499	−0.586	−0.586	−0.411	−0.436	−0.490	−0.489	−0.572	−0.790	−0.694	−0.496

The correlation coefficient is calculated using data points of residue contact order (RCO) with >100 residues.

^a The threshold value used to define inter-residue contacts.

^b The RCOs were averaged using a window of this size.