Fig. 5

Principal component score plot showing the first two principal components (PC1 and PC2) generated by analysis of the full LKB-PPscreen database of 28 steric and electronic descriptorss, calculated for 275 ligands (see [35] for details). Each symbol corresponds to one ligand, with colour/shape representing different substituents, and the first two PCs capture ca. 56 % of variation in data. Reproduced from ref. [35] with permission from The Royal Society of Chemistry