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. 2010 Nov 19;9:88. doi: 10.1186/1475-2859-9-88

Table 1.

Kinetic rate equations

Reactions Model equations References
Cell growth μ={μm(1[X]Xm)([Glcex]Ks+[Glcex])kATPvATP(.),([Glcex]>0)μmA[Aceex]KsA+[Aceex]kATPvATP(.),([Glcex]1and[Aceex]>0) (1a)
(1b)

Phosphotransferasesystem vPTS=vPTSmax[Glcex][PEP][PYR](Ka1+Ka2[PEP][PYR]+Ka3[Glcex]+[Glcex][PEP][PYR])(1+[G6P]nG6PKG6P) (2a) [8,33]

Non-PTS glucokinase vGlk=vGlkmax[Glc][ATP](KmGlc+[Glc])(KmATP+[ATP]) (2b) [49]

Phosphoglucoseisomerase vPgi=vPgimax([G6P][F6P]Keq)KG6P(1+F6PKF6P(1+[F6P]K6pginhF6P)+[6PG]K6pginhG6P)+G6P (3) [8]

Phospho-fructokinase vPfk=vPfkmaxKATP[F6P]K(ATP,ADP)([F6P]+KSF6PKb(ADP,AMP)+[PEP]KPEPKa(ADP,AMP))×(1+LPfk(1+[F6P](Ka(ADP,AMP)KsF6P(Kb(ADP,AMP)+[PEP]KPEP)))nPfk) (4) [8]

Adolase vAldo=vAldomax([FDP][GAP][GAP]Keq)(KFDP+[FDP]+KGAP[GAP][KeqVblf]+KDHAP[GAP][KeqVblf]+[FDP][GAP]KinhPEP+[GAP][GAP]KeqVblf) (5) [8]

G3P dehydrogenase vGAPDH=vGAPDHmax([GAP][PEP][NADH]Keq[NAD])(KGAP(1+[PEP]KPGP)+[GAP])(KNADNAD(1+[NADH]|KNADH)+1) (6) [8]

Pyruvate kinase vPyk=vPykmax[PEP]([PEP]KPEP+1)nPyk1[ADP]KPEP(LPyk(1+[ATP]KATP[FDP]KFDP+[AMP]KAMP+1)nPyk+([PEP]KPEP+1)nPyk)([ADP]+KADP) (7) [8]

PEP carboxylase vPpc=K1+K2[AcCoA]+K3[FDP]+K4[AcCoA][FDP]1+K5[AcCoA]+K6[FDP]([PEP]Km+[PEP]) (8) [38]

PEP carboxykinase vPck=vPckmax([OAA][ATP][ADP]KmOAA[ATP][ADP]+[OAA]|[ATP][ADP]+KiATPKmOAAKiADP+KiATPKmOAAKmPEPKiADP[PEP]+KiATPKmOAAKiPEPKIATP[ATP][PEP][ADP]+KiATPKmOAAKiADPKIOAA[OAA]) (9) [15]

Pyruvate dehydrogenasecomplex vPDH=vPDHmax[NAD](11+Ki[NADH][NAD])([PYR]KmPYR)(1KmNAD)([COA]KmCOA)(1+[PYR]KmPYR)(1NAD+1KmNAD+[NADH]KmNADH[NAD])(1+[COA]KmCOA+[AcCoA]KmAcCoA) (10) [40]

Pta vPta=vPtamax(1KiAcCoAKmP)([AcCoA][P][AcP][CoA]Keq)(1+[AcCoA]KiAcCoA+[P]KiP+ACPKiACP+[CoA]KiCoA+([AcCoA][P]KiAcCoAKmP)+([AcP][CoA]KmACPKiCoA)) (11) [40,41]

Ack vAck=vAckmax(1KmADPKmACP)([AcP][ADP][ACE][ATP]Keq)(1+[AcP]KmACP+ACEKmACE)(1+[ADP]KmADP+[ATP]KmATP) (12) [40]

Acs vAcs=vAcsmax[ACE][NADP](Km+[ACE])(Keq+[NADP]) (13) [42]

Citrate Synthase vCS=vCSmax[AcCoA][OAA](KdAcCoAKmOAA+KmAcCoA[OAA])+([AcCoA]KmOAA(1+[NADH]Ki1NADH))+([AcCoA][OAA](1+[NADH]Ki2NADH)) (14) [43]

ICDH vICDH=[ICDH]KfKmiCiTKdNADP([ICIT][NADPH][2KG]KeqICDH[NADP])(1[NADP]+[ICIT]KmNADPKmiCiTKdNADP[NADP]+1KdNADP+[ICIT]KmiCiTKdNADP+[ICIT]KdiCiT[NADP][NADPH]KmNADPKmiCiTKdNADPKeinhNADPH+[NADPH]Keknh2KGKm2KGKenheNADPH[NADP]+[2KG]KmNADPHKm2KGKenheNADPH[NADP]+[2KG]Km2KG[NADPH]KenheNADPH[NADP]+[2KG]KmNADPHKm2KGKenheNADPH[NADPH]KeknNADP[NADP]) (15) [44]

Isocitrate lyase vIcl=vIcl_fmax[ICIT]KmiCiT(1+[ICIT]KmiCiT+[SUC]KmSUC+[GOX]KmGOX+[ICIT]KmiCiT[SUC]KmSUC+[SUC]KmSUC[GOX]KmGOX+IKI) (16) [46]

Malate synthase vMS=vMS_fmax[GOX]KmGOX[AcCoA]KmAcCoAvMS_rmax[MAL]KmMAL(1+[GOX]KmGOX+[MAL]KmMAL+(1+[AcCoA]KmAcCoA)) (17) [46]

αKG dehydrogenase vαKGDH=v2KGDHmax[αKG][CoA]{KmNAD[αKG][CoA][NAD]+KmCoA[αKG]+Km2KG[CoA]+[αKG][CoA]+Km2KGKz[SUC][NADH]KISUC[NAD]+KmNAD[αKG][CoA][NADH]KINADH[NAD]+KmCoA[αKG][SUC]KISUC+Km2KGKZ[αKG][SUC][NADH]KI2KGKISUC[NAD]} (18) [45]

Succinate dehydrogenase vSDH=vSDH1vSDH2([SUC][FUM]Keq)KmSUCvSDH2+vSDH2[SUC]+VSDH1[FUM]Keq (19) [45]

Fumarase vFum=vFum1vFum2([FUM][MAL]KFumeq)KmFumvFum1+vFum2[FUM]+VFum1[MAL]Keq (20) [45]

Malate dehydrogenase vMDH=vMDH1vMDH2([MAL][OAA]Keq)(KINADKmMALvMDH2[NAD]+KmMALvMDH2+KmNADVMDH2[MAL][NAD]+vMDH2[MAL]+KmOAAvMDH1[NADH]Keq[NAD]+KmNADHvMDH1[OAA]Keq[NAD]+vMDH1[NADH][OAA]Keq[NAD]+vMDH1KmOAA[NADH]KeqKINAD+vMDH2KmNAD[MAL][OAA]KIOAA[NAD]+vMDH2[MAL][NADH]KINADH+vMDH1[MAL][NADH][OAA]KeqKIMAL[NAD]+vMDH2[MAL][OAA]KIIOAA+vMDH1[NADH][OAA]KIINADKeq+KINADvMDH2[MAL][NADH][OAA]KIINADKmOAAKINADH) (21) [45]

Malic enzyme vMez=vMezmax[MAL][NADP](KMAL+[MAL])(Keq+[NADP]) (22) [45]

G6PDH vG6PDH=vG6PDHmax[G6P]([G6P]+KG6P)(1+[NADPH]KNADPHG6P)(KNADP[NADP](1+NADPHKNADPHNADP)+1) (23) [8]

PGDH vG6PDH=vG6PDHmax[G6P]([6PG]+K6PG)(1+KNADPNADP(1+[NADPH]KNADPHinh)(1+[ATP]KATPinh)) (24) [8]

Rpe vRpe=vRpemax([Ru5P][Xu5P]KeqRpe) (25) [8]

Rpi vRpi=vRpimax([Ru5P][R5P]KeqRpi) (26) [8]

TktA vTktA=vTktAmax([R5P][Xu5P][S7P][GAP]KeqTktA) (27) [8]

TktB vTktB=vTktBmax([Xu5P][E4P][F6P][GAP]KeqTktB) (28) [8]

Tal vTal=vTalmax([GAP][S7P][E4P][F6P]KeqTktB) (29) [8]