2WOU:
reference: Rapid Generation of a High Quality Lead for Transforming Growth Factor-beta (TGF-beta) Type I Receptor (ALK5) (dagger)., Goldberg FW, Ward RA, Powell SJ, Debreczeni JE, Norman RA, Roberts NJ, Dishington AP, Gingell HJ, Wickson KF, Roberts AL, J Med Chem. 2009 Sep 8. PMID: 19736928

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).