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. 2013 Jun 28;8(6):e67536. doi: 10.1371/journal.pone.0067536

Table 1. Comparison of protocols for the 2 benchmark studies presented in this paper.

Protein Centric Water docking (HIV-1 PR/PIs) Ligand Centric Waters (CSAR benchmark)
Input preparation Crystallographic waters within 3.0 Å of protein and ligand are included in the docking study
Ligand Translation Ligand moves up to 5 Å, finding a non-clashing location. Ligand & water move together up to 5 Å, finding a non-clashing location.
Water Translation Up to 50 cycles of 1 Å water movement, first non-clashing move is accepted.
Ligand Rotation Ligand rotates up to 1000 times to optimize attractive & repulsive scores Ligand & water rotate together up to 1000 times to optimize attractive & repulsive scores
Water Rotation Waters rotate together up to 100 times to optimize attractive & repulsive scores
High Resolution docking 6 Cycles of ligand & water translation (0.1 Å) and rotation (5°). Each cycle coupled with side-chain rotamer sampling & gradient based minimization of side-chain and ligand torsion angles.
Final minimization Gradient based minimization of backbone and side chain degrees of freedom around the ligand and waters.