% Metabolites excluded for flux balances and left free for fitting excludedmets 20 21 22 23 % Acetate transport inside cell 1: AB(24) -> AB(1) % Acetyl-CoA transferase: Acetate + Succinyl-CoA <-> Acetyl-CoA + Succinate 2: AB(1) + CDEF(9) -> AB(2) + CDEF(10) % Leu synthesis 3: AB(2) + CDE(4) + FGH(4) -> ABDGHE(3) + F(20) + C(20) % Pyruvate ferredoxin oxidoreductase: Acetyl-CoA + CO2 + ferrodoxin -> ferrodoxin + CoA + pyruvate 4: AB(2) + C(20) -> CAB(4) % Citrate synthase: Ac-CoA + H2O + oxaloacetate -> citrate + CoA (symmetric? -> dcbABa ) CHECK!! 5: AB(2) + abcd(13) -> dcbBAa(5) % Aconitate hydratase 1: citrate -> cis-aconitate + H2O 6: ABCDEF(5) -> ABCDEF(6) % Isocitrate dehydrogenase: isocitrate + NAD -> 2-oxoglutarate + CO2 + NADH + H 7: ABCDEF(6) -> ABCDE(7) + F(20) % Aspartate transaminase: L-aspartate + 2-oxoglutarate -> oxaloacetate + L-glutamate 8: ABCDE(7) -> ABCDE(8) % 2-oxoglutarate dehydrogenase: 2-oxoglutarate + CoA + NAD -> succinyl-CoA + CO2 + NADH 9: ABCDE(7) -> A(20) + BCDE(9) % Succinyl-CoA hydrolase: succinyl-CoA + Pi + ADP -> succinate + ATP + CoA 10: ABCD(9) -> ABCD(10) :: ABCD(9) -> DCBA(10) % Succinate dehydrogenase: succinate + ubiquinone -> fumarate + ubiquinol 11: ABCD(10) -> ABCD(11) % Fumarase: fumarate + H2O -> Malate 12: ABCD(11) -> ABCD(12) % Malate dehydrogenase: malate + NAD -> oxaloacetate + NADH 13: ABCD(12) -> ABCD(13) % Asp synthesis 14: ABCD(13) -> ABCD(14) % Pyruvate carboxylase: ATP + Pyruvate + HCO3 -> ADP + oxaloacetate + H3PO4 (CHECK carbon position) 15: ABC(4) + D(22) -> ABCD(13) % Malate dehydrogenase: malate + NAD -> pyruvate + CO2 + NADH + H 16: ABC(4) + D(20)-> ABCD(12) % Val synthesis: 4pyruvate + NADPH -> 2CO2 + L-valine + oxoglutarate + 2NADP + 2H 17: ABC(4) + abc(4) -> ABbcC(19) + a(20) % Pyruvate kinase : ATP + pyruvate -> ADP + phosphoenolpyruvate. IS THIS REVERSIBLE??? 18: ABC(4) -> ABC(15) % Enolase and Phosphoglycerate mutase: phosphoenolpyrutate + H2O -> 2-phospho-D-glycerate -> 3-phospho-D-glycerate 19: ABC(15) -> ABC(16) % Serine production 20: ABC(16) -> ABC(17) % Glycine dehydrogenase, aminomethyltransferase .... etc 21: ABC(17) -> AB(18) + C(23) % Pyruvate formate lyase: 22: A(21) + BC(2) -> ABC(4) % Acetate kinase + phosphate acetyltransferase: Acetate + ATP + CoA -> ADP + Pi + Acetyl-CoA 23: AB(1) -> AB(2) % Glycine into C1 metabolism 24: AB(18) -> A(23) + B(20) % Reaction 9 reversed 25: A(20) + BCDE(9) -> ABCDE(7) % Reaction 16 reversed 26: ABCD(12) -> ABC(4) + D(20) % Reaction 10 reversed 27: ABCD(10) -> ABCD(9) :: ABCD(10) -> DCBA(9) % Reaction 15 reversed 28: ABCD(13) -> ABC(4) + D(22) % Reaction 21 reversed 29: AB(18) + C(23) -> ABC(17) % Reaction 24 reversed 30: A(23) + B(20) -> AB(18) % Phosphoenolpyruvate carboxykinase 31: ABC(15) + D(20) -> ABCD(13) % Reaction 31 reversed 32: ABCD(13) -> ABC(15) + D(20)