A small nonrule of 3 compatible fragment library provides high hit rate of endothiapepsin crystal structures with various fragment chemotypes.
Koster, H., Craan, T., Brass, S., Herhaus, C., Zentgraf, M., Neumann, L., Heine, A., Klebe, G.(2011) J Med Chem 54: 7784-7796
- PubMed: 21972967 
- DOI: 10.1021/jm200642w
- Primary Citation of Related Structures:  
3PB5, 3PBD, 3PBZ, 3PCW, 3PGI, 3PI0, 3PLD, 3PLL, 3PM4, 3PMU, 3PMY - PubMed Abstract: 
Druglike molecules are defined by Lipinski's rule of 5, to characterize fragment thresholds, they have been reduced from 5 to 3 (Astex's rule of 3). They are applied to assemble fragment libraries, and providers use them to select fragments for commercial offer ...