Choose a reactant from the list below. The constants, pK and Δ_rH⁰_Kd at T=298.15 K and I=0 m
of this reactant's reference species will be shown in the yellow fields of “Constants”.

ACoA^0 - acetyl-coenzyme A ADP^-3 - adenosine diphosphate ATP^-4 - adenosine triphosphate BPG^-4 - 1,3-bisphosphoglycerate CIT^-3 - citrate COAS^-1 - coenzyme A-SH CO₂_tot^-2 - carbon dioxide (total) DHAP^-2 - dihydroxyacetone phosphate F6P^-2 - D-fructose 6-phosphate F16P^-2 - D-fructose 1,6-phosphate FUM^-2 - fumarate G6P^0-2 - D-glucose 6-phosphate GAP^-2 - D-glyceraldehyde 3-phosphate GDP^0-3 - guanosine diphosphate GLC^0 - D-glucose GTP^-4 - guanosine triphosphate H2O^0 - water ISCIT^-3 - isocitrate AKG^-2 - a-ketoglutarate MAL^-2 - malate NAD^-1 - NAD NADH^-2 - NADH NADP^-3 - NADP NADPH^-4 - NADPH OAA^-2 - oxaloacetate Pi^-2 - orthophosphate PG2^-3 - 2-phospho-D-glycerate PG3^-3 - 3-phospho-D-glycerate PEP^-3 - phosphoenolpyruvate PYR^-1 - pyruvate SUC^-2 - succinate SUCCoA^-1 - succinyl-CoA

Contants:

Choose reaction from the list below, the reaction's abbreviated name, real name, EC number, reaction form, standard equilibrium constant at (T = 298.15 K, I = 0 M), and standard Gibbs free energy at (T = 298.15 K, I = 0 M) will be shown at the boxes below.

GLK - Glucokinase PGI - Phosphoglucose isomerase PFK - Phosphofructokinase FBA - Fructose-1,6-bisphosphatate aldolase TPI - Triosphosphate isomerase FBA2 - Fructose-1,6-bisphosphatate aldolase 2 GAP - Glycerald-3-P dehydrogenase PGK - Phosphoglycerate kinase PGM - Phosphoglycerate mutase ENO - Enolase PYK - Pyruvate Kinase CITS - Citrate synthase ACON - Aconitrate hydratese IDH - Isocitrate dehydrogenase SCS - Succinate-CoA ligase FUM - Fumarate hydratase MDH- Malate dehydrogenase NDK - Nucleoside-diphosphate kinase NPTH - NADP transhydrogenase MDH2 - Malic enzyme MDH3 - Malate dehydrogenase 2 NADK - NAD+ kinase ATPS - ATPase G6PH - Alkaline phosphatase / G6P hydrolysis PCL - Pyruvate carboxylase

Change to your experimental condition and click button "Calculation Apparent Equilibrium Constant & Standard transformed Gibbs free energy", the new constant will be shown at the boxes below.

Reference Equilibrium Constant :
(Mass Raction radio T = 298.15 K, I = 0 M)

Equilibrium Constant :
(Mass Raction for Biochemical Reactions)

Reference Gibbs free energy: (kJ/mol)
(Mass Raction radio T = 298.15 K, I = 0 M)

Transformed Gibbs free energy: (kJ/mol)
(Mass Raction for Biochemical Reactions)

Under Construction

This function tool uses to compute the ionic strength and temperature correction of the dissociation constant (provided as K_d) of a ligand-cation dissociation reaction (reactions with two products and one reactant).