Two-dimensional score plot of the principal component analysis of the screening library set (50 known inhibitors and 9950 non-inhibitors) formed by the two most important principal component scores (PC1score versus PC2score) derived from the scoring data. LiuShu FuRao ZhouLi-Hua ChenSheng-Ping 2012 <p>Known inhibitors are depicted as red circles, non-inhibitors as black squares. <b>A</b>: Surflex_score extracted poses. <b>B</b>: D_Score extracted poses. <b>C</b>: G_Score extracted poses. <b>D</b>: ChemScore extracted poses. <b>E</b>: PMF_Score extracted poses.</p>