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(A) [15N-1H]-HSQC spectra for Abl kinase domain expressed in bacteria. Signals for Abl kinase in complex with PD166326 is in blue, and with imatinib in red. (B) [15N-1H]-TROSY spectrum of bacterial expressed Abl SH3-SH2-kinase in complex with PD166326 and 2BP.
