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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: J Inorg Biochem. 2017 Sep 22;177:171–182. doi: 10.1016/j.jinorgbio.2017.09.018

Table 2.

Heme and HNO proton chemical shifts (pH 7.1, 298 K)

FeIII–NO GlbN-A FeIII–NO GlbN FeII–HNO GlbN
1-CH3 3.44 3.40 3.39
2-α 6.81 7.96 7.90
2-βcis,trans – 6.16, 6.04 5.75, 5.85
2-β-CH3 2.36 – –
α-meso 9.75 9.80 9.28
3-CH3 3.56 3.53 3.32
4-α 7.80 7.71 7.55
4-βcis,trans 5.94, 6.30 5.95, 6.12 5.61, 5.88
β-meso 9.52 9.36 8.83
5-CH3 2.97 3.03 2.68
γ-meso 10.32 10.30 9.63
8-CH3 3.35 3.33 3.15
δ-meso 9.97 9.96 9.41
HNO – – 14.82
14.91 (H117A)