Proportion of Good/Bad models as a function of S3 and RMSD between the templates. Accuracy is measured by ΔRMSD defined as (RMSDSTR.2.1 - RMSDSTR.2.2). Models are defined as: good: ΔRMSD ≥ 1 Å; bad: ΔRMSD ≤ -1 Å; or neutral: 1 Å > Δ RMSD > -1 Å. In all plots only models based on template combinations for which S1–S2 is less than 5% are included. (A) The ratio between the number of Good and Bad STR models as a function of S3, the sequence identity between the templates. (B) The good/bad ratio as a function of the RMSD between the two templates. (C) The good/bad ratio as a function of the RMSD between the two templates; in these plots the additional restriction of S3 < 30% is imposed on all selected models with the aim of showing the complementarity between S3 and template RMSD selection.