Two examples of the I-TASSER models from 1ca4A and 1cmaA. Both models have similar RMSD values but indicate significantly different modeling qualities. In the superposition, the thin backbones are the native structure and thick backbones the I-TASSER models. Blue to red runs from N- to C-terminal.
Zhang BMC Bioinformatics 2008 9:40 doi:10.1186/1471-2105-9-40