Table 2.

Rate equations for reactions involved in cyanobacterial decarboxylation pathway.

Reaction name	Reactions	Rate equations
GCA dehydrogenase	GCA → GOA	$\frac{{\text{V}}_{\text{maxGDH}}\ast \text{GCA}}{{\text{K}}_{\text{mGCA}}+\text{GCA}}$
Hydroxyacid dehydrogenase	GOA → oxalate	$\frac{{\text{V}}_{\text{maxHDH}}\ast \text{GOA}}{{\text{K}}_{\text{mGOA}}+\text{GOA}}$
Oxalate decarboxylase	Oxalate → CO2 + formate	$\frac{{\text{V}}_{\text{maxODC}}\ast \text{Oxalate}}{{\text{K}}_{\text{mOxalate}}+\text{Oxalate}}$
Formate dehydrogenase	Formate + NAD ↔ CO2 + NADH	$\frac{\left({\text{V}}_{\text{maxFDH}}\ast \left(\text{Formate}\ast \text{NAD}-\left({\text{CO}}_2\ast \text{NADH}/{\text{K}}_{\text{eq}}\right)\right)\right)}{\begin{array}{c}({\text{K}}_{\text{mFormate}}\ast {\text{K}}_{\text{mNAD}}\ast (1+\text{Formate}/{\text{K}}_{\text{mFormate}}\\ +\text{NAD}/{\text{K}}_{\text{mNAD}}+{\text{CO}}_2/{\text{K}}_{\text{mCO2}}+\text{NADH}/{\text{K}}_{\text{mNADH}}\\ +(\text{Formate}\ast \text{NAD}/({\text{K}}_{\text{mFormate}}\ast {\text{K}}_{\text{mNAD}}))\\ +({\text{CO}}_2\ast \text{NADH}/({\text{K}}_{\text{mCO2}}\ast {\text{K}}_{\text{mNADH}}))))\\ \end{array}}$
CO2 regulation	CO2 →	K * CO2