. Author manuscript; available in PMC: 2009 Feb 17.

Published in final edited form as: Biochemistry. 2008 Oct 2;47(43):11273–11284. doi: 10.1021/bi800920j

Table 6.

Spin Hamiltonian Parameters for the Neutral Semiquinone Observed in RnfG Obtained by Simulation of ENDOR and Second Derivative CW Spectra^a,^b

	A_x	A_y	A_z	A_iso
¹⁴N(5)^c	2	2	50.0	18.0
¹⁴N(10)^c	1	1	28.8	10.3
N(5)H^c	5	42.4	27.7	25.0
C(8α)H^d	9.35	7.62	7.62	8.20
C(6)H^d	-2.5	-5.8	-5.4	-4.6
(C(1′)H¹)^c,^d	9.4	16.3	12.0	12.6
(C(1′)H²)^c,^d	8.3	14.9	11.2	11.5

Isotropic and principal hyperfine values in MHz.

Principal values of the electronic Zeeman: 2.00390, 2.00312, 2.00227.

Values determined using second derivative CW spectra.

Values determined using ENDOR.