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. Author manuscript; available in PMC: 2009 Nov 21.
Published in final edited form as: Biochemistry. 2007 Oct 10;46(44):12628–12638. doi: 10.1021/bi701370e

Figure 3.

Figure 3

EPR spectra of Fe(II)-HppE·HPP nitrosyl complexes. Blue line: Fe(II)-HppE (250μM) mixed with 2-S (2.5 mM) and exposed to NO; Black line: Fe(II)-HppE (250 μM) mixed with 2-R (2.5 mM) and exposed to NO. Instrumental parameters: temperature 2 K, microwave frequency 9.6 GHz, microwave power 0.6 mW, modulation amplitude 5 G, time constant 0.02 s, and a sweep rate of 50 G/s.