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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Free Radic Biol Med. 2016 Oct 29;101:367–377. doi: 10.1016/j.freeradbiomed.2016.10.503

Figure 2.

Figure 2

Experimental and simulated CW-EPR spectra. (a) nNOSOX(−BH4, −l-arg), (b) nNOSOX(−BH4, +l-arg), (c) nNOSFQ(+BH4, +l-arg), and (d) nNOSFQ(+BH4, −l-arg). The black lines are experimental spectra and the red are simulations using the parameters in Table 1. The CW-EPR spectra were measured at 10 K using: microwave frequency, 9.46 GHz; microwave power, 0.21 mW; field modulation amplitude, 2 mT at 100 kHz. The region of strong signals from BH4 radicals are blanked out in (c–d).