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. Author manuscript; available in PMC: 2022 Jan 19.
Published in final edited form as: Biochemistry. 2021 Jul 15;60(46):3497–3506. doi: 10.1021/acs.biochem.1c00370

Figure 4:

Figure 4:

Reaction of substrate and pterin bound FeII-TPH with O2. A. Kinetics of first 175 ms of the reaction. B. Formation and decay kinetics at 442 nm in H2O and D2O. C. Mössbauer spectrum of 442 nm intermediate. D. Resonance Raman spectrum of 442 nm intermediate (excitation at 457.9 nm). Adapted from [Iyer, S. R. et al. (2021) Direct coordination of pterin to FeII enables neurotransmitter biosynthesis in the pterin-dependent hydroxylases. Proceedings of the National Academy of Sciences 118.] Copyright [2021].