| 3IEJ: reference: Pyrazole-based cathepsin S inhibitors with arylalkynes as P1 binding elements., Ameriks MK, Axe FU, Bembenek SD, Edwards JP, Gu Y, Karlsson L, Randal M, Sun S, Thurmond RL, Zhu J, Bioorg Med Chem Lett. 2009 Sep 10. PMID: 19773165 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).