3DOG:
reference: N-&-N, a new class of cell death-inducing kinase inhibitors derived from the purine roscovitine., Bettayeb K, Sallam H, Ferandin Y, Popowycz F, Fournet G, Hassan M, Echalier A, Bernard P, Endicott J, Joseph B, Meijer L, Mol Cancer Ther. 2008 Sep;7(9):2713-24. PMID: 18790752

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