1H/15N-TROSY-HSQC spectrum of perdeuterated PKA-C complexed to AMP-PNP in 20 mM KH2PO4 (pH 6.5), 180 mM KCl, 20 mM DTT, and 1 mM DTT collected at 300 K on a Varian Inova 800 MHz NMR spectrometer. Assignment information is placed next to peaks and subpanels a, b, and c are provided for clarity. Indolic nitrogen resonances of tryptophan are denoted with the symbol ε.