Exploiting the promiscuity of imatinib.

The protein kinase inhibitor imatinib, also known as Gleevec, has been a notable success in treating chronic myelogenous leukemia. A recent paper in BMC Structural Biology reports a 1.75 A crystal structure of imatinib bound to the oxidoreductase NQO2 and reveals insights into the binding specificity and the off-target effects of the inhibitor.