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. Author manuscript; available in PMC: 2013 Jun 24.
Published in final edited form as: Biochemistry. 2009 Apr 21;48(15):3354–3369. doi: 10.1021/bi802029t

Table 6.

Redox Potentials

Sample E0 mV (vs. NHE) Aox Ared N*
WT – Reduction 290(4) 0.76(1) 0.19(1) 1
WT – Oxidation 279(6) 0.91(2) 0.16(5) 1
D3A – Reduction 308(3) 0.815(9) 0.24(1) 1
D3A – Oxidation 290(7) 0.91(3) 0.16(6) 1
Y9F – Reduction 297(5) 0.54(2) 0.15(2) 1
Y9F – Oxidation 299(8) 1.12(9) 0.06(6) 1
*

This value was held constant in fitting the absorption data to obtain E0.

N is the number of electrons per Ni(III) center.