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Table 5 Comparing performance of side modelling methods

From: Protein structure modelling and evaluation based on a 4-distance description of side-chain interactions

Method RMSD (Å) Contact score χ1(± 15°) χ1+2(± 15°)
  All Buried Exposed   % %
Hunter 1.47 0.73 1.72 39 79 60
OPUS-Rota [26] 1.56 0.91 1.80 35 77 56
SCAP [50] 1.72 1.00 1.96 37 69 46
SCCOMP [42] 1.72 1.03 1.96 34 69 49
SCWRL4.0 [51] 1.65 0.87 1.93 35 76 55
  1. Side chains were rebuilt using five different methods in a set of 94 high-resolution protein structures. The average statistics on side chain prediction accuracy was calculated in terms of side chain RMSD, contact score, and chi-angle prediction accuracy. Side chain RMSD was calculated for side chain atoms except Cβ. A residue was considered as exposed or buried if its relative solvent exposed area is greater or less than 15%, respectively. Contact score reflects amount of correctly predicted atom-atom contacts and is calculated as described in Methods.