Table 1.

Parameter values of the rate constants of the non-enzyme catalyzed reactions.

Rate Constant	Value	Reference	Remark
$k_2$	$1.7\times {10}^{10}{\mathrm{M}}^{-1}{\mathrm{s}}^{-1}$	[109]	No information about$\mathrm{pH}$.
$k_{-2}$	$17\times {10}^{-3} {\mathrm{s}}^{-1}$	[116,117]	$T=20-25$ °C
$k_6$	$7.5\times {10}^6 {\mathrm{M}}^{-1}{\mathrm{s}}^{-1}$	[110]	$T~20 °\mathrm{C}, \mathrm{pH}=5.5$
$k_{-6}$	$0$		Assigned
$k_7$	${10}^{10} {\mathrm{M}}^{-1}{\mathrm{s}}^{-1}$	[112]
$k_{-7}$	$k_7{K}_a, p{K}_a=6.8$	[118]
$k_8$	$0.6 {\mathrm{s}}^{-1}$	[114]	$T=25 °\mathrm{C}$, no information about$\mathrm{pH}$.
$k_{-8}$	$3.5\times {10}^9 {\mathrm{M}}^{-1}{\mathrm{s}}^{-1}$	[115]	$\mathrm{pH}=9.5$, no information about$T$.