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. Author manuscript; available in PMC: 2023 Aug 16.
Published in final edited form as: J Am Chem Soc. 2023 Jun 20;145(26):14404–14416. doi: 10.1021/jacs.3c03608

Table 2.

Spin Hamiltonian parameters obtained from fitting X-band EPR spectra of cyt P460 variants.

Cyt P460 Variant Species (FeIII, S = 5/2)
geff E/D Reference
Lys70Tyr cyt P460 (CLD) 5.78, 1.98 0.00 11
WT cyt P460, aerobic preparation 6.57, 5.09, 1.97 0.03 10
WT cyt P460 proenzyme, minor component (CL) 6.52, 5.06, 1.97 0.03 This Work
WT cyt P460 proenzyme, major component (CLD) 6.02, 5.54, 1.99 0.01 This Work
WT cyt P460 matured enzyme 6.50, 5.06, 1.97 0.02 This Work
Arg44Ala (CLD) 5.69, 1.99 0.00 This Work
Arg44Ala matured, major component 5.76, 1.99 0.00 This Work
Arg44Ala matured, minor component 5.38, 2.00 0.00 This Work
NpAv Leu105Lys 6.63, 5.07, 1.96 0.03 This Work