RW (Random-Walk) is distance-dependent atomic potential for protein structure modeling and structure decoy recognition. It was derived from 1,383 high-resolution PDB structures using an ideal random-walk chain as the reference state. The RW potential has been extensively optimized and tested on a variety of protein structure decoy sets and demonstrates a significant power in protein structure recognition and a strong correlation with the RMSD of decoys to the native structures
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Zhang J, Zhang Y (2010)
A Novel Side-Chain Orientation Dependent Potential Derived from Random-Walk Reference State for Protein Fold Selection and Structure Prediction.
PLoS ONE 5(10): e15386.