Procheck G-factor (phi / psi only): Mean 0.50 SD N/A Procheck G-factor (all dihedral angles): Mean 0.37 SD N/A Verify3D: Mean 0.38 SD 0.0000 ProsaII (-ve): Mean 1.08 SD 0.0000 MAGE VdW clashscore: Mean 16.52 SD 0.0000