When a pathway map includes several products that can be the initial substrates of the pathway-map network, this pathway map will be frequently accepted at the "extension of the pathway-map network" process.
On integration between known limits, the model can be written as ln left( {frac{{C_{text{s}} }}{{C_{text{so}} }}} right) = - k_{1} t where Cso is the initial substrate concentration (mg COD/L), Cs is the substrate concentration (mg COD/L), t is the degradation time (h), and k1 is the first order rate constant (h−1).
left( {frac{dS}{dt}} right)_{eff,in} = - frac{1}{{Y_{X/S}}} cdot frac{{mu_{{rm max}, eff}cdot S_{in} }}{{K_{S,eff} + S_{in} }} cdot X_{in} (2 where Sin and Xin is the initial substrate and microbial biomass concentration respectively, µmax, eff is the effective maximum growth rate, KS,eff is the effective saturation constant and YX/S is the microbial cell yield.
Sucrose is the initial substrate feeding the glycolytic chain, whereas proteins are the product of their next transformation including those occurring in the pyruvate dehydrogenase complex.
PC is the enzymatic substrate for FA desaturases, and PC containing 18 1 at the sn-2 position is the initial substrate recognized by FAD2 leading to the production of C18-PUFAs [ 36].
The biosynthesis of these polyglucans occurs by the usage of "activated" glucose molecules: UDP-glucose serves as glycosyl donor for the synthesis of glycogen in fungi and mammals, while ADP-glucose (ADP-Glc) is the initial substrate for the synthesis of glycogen in bacteria and starch in green algae and plants [ 1, 2].
The factor of 3 in the numerator accounts for the expected formation of 1 mole of CO2 and/or formate produced per mole of ethanol and acetate as previously described [ 19]. [ S o ] is the initial substrate concentration and [ S f ] is the final substrate concentration.
The only-produced compounds are the downstream termini of the network, and the only-consumed compounds are the initial substrates.
Glucose-6-phosphate is also the initial substrate for glycolysis.
Because glyoxylate and low levels of glycine were identified as reaction products, an oxidized glycine intermediate (either a glycyl radical or a dehydroglycine) is produced from the initial substrate radical and can be quenched to make the glycine-based product.
