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. 2003 Sep;12(9):2032–2046. doi: 10.1110/ps.0386903

Table 3.

Model accuracy as a function of Cα restraint threshold

Cα restraint threshold [Å]
0.25 0.50 0.75 1.00 2.00 3.00 4.00 5.00
No. targetsa 4 18 24 25 25 25 25 25
Cα RMSDb 0.18 (0.00) 0.36 (0.01) 0.53 (0.01) 0.68 (0.02) 1.31 (0.04) 1.97 (0.06) 2.63 (0.08) 3.33 (0.08)
Main chain RMSDc 0.50 (0.06) 0.55 (0.03) 0.67 (0.05) 0.80 (0.03) 1.38 (0.03) 1.99 (0.05) 2.60 (0.07) 3.26 (0.08)

The Cα restraint threshold determines the radius of the Cα restraint sphere associated with each model Cα atom. Values in parentheses are standard deviations.

a Number of successfully modeled targets of the 25 target structures.

b Ensemble average Cα RMSD [Å] over all successfully modeled proteins.

c Ensemble average main chain RMSD [Å] over all successfully modeled proteins.