TABLE 1.

Rate constants of the reduction of the different cofactors of Na⁺-NQR

Cation	Rate constant
	FAD → FADH2	RibH•→ RibH2	2(FMN → FMN⨪)	FMNC⨪ → FMNCH2
	s−1
No cation	232.3 ± 10.5	17.4 ± 2.6	2.1 ± 0.7	0.1 ± 0.07
Sodium	179 ± 8.6	179 ± 8.6	30.1 ± 3.5	0.56 ± 0.33
Lithium	210.1 ± 9.4	53.1 ± 7.8	5.5 ± 0.8	0.25 ± 0.12
Potassium	220 ± 12.3	24.1 ± 4.3	4.5 ± 0.7	0.3 ± 0.18
Rubidium	200 ± 16.3	22.13 ± 6.5	4.1 ± 1.4	0.5 ± 0.36