TABLE 2.

Fundamental relationships of Fe-related molecules

Equationa	Equation no.
$$\frac{d{\text{Fe}}_{\text{P}}^{}}{dt}=F_{\mathrm{B}}^{\text{P}}-F_{\text{P}}^{\mathrm{B}}$$	9
$$\frac{d{\text{Fe}}_{\mathrm{B}}^{}}{dt}=-F_{\mathrm{B}}^{\text{P}}+F_{\text{P}}^{\mathrm{B}}-F_{\mathrm{B}}^{\mathrm{N}}+F_{\mathrm{N}}^{\mathrm{B}}$$	10
$$\frac{d{\text{Fe}}_{\mathrm{N}}^{}}{dt}=F_{\mathrm{B}}^{\mathrm{N}}-F_{\mathrm{N}}^{\mathrm{B}}$$	11
$$\frac{d\text{Chl}}{dt}=\left(F_{\mathrm{B}}^{\text{P}}-F_{\text{P}}^{\mathrm{B}}\right)Y_{\text{photo}}^{\text{Chl:Fe}}$$	12

^aFe_P, Fe in the photosystems; $F_{\mathrm{B}}^{\text{P}}$ and $F_{\text{P}}^{\mathrm{B}}$, translocation of Fe from the buffer to the photosystem and vice versa; Fe_B, Fe in the buffer; $F_{\mathrm{B}}^{\mathrm{N}}$ and $F_{\mathrm{N}}^{\mathrm{B}}$ , translocation of Fe from the buffer to nitrogenase and vice versa; Fe_N, Fe in nitrogenase;$Y_{\text{photo}}^{\text{Chl:Fe}}$, Chl:Fe in the photosystems.