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Accession Type:
Network
Ajay_Bhalla_
2007_ReacDiff2
Shared_Object_
Ajay_Bhalla_
2007_ReacDiff
PKC
MAPK
Ras
CaM
PKM
chain
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[1]
PKC
MAPK
Ras
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[3]
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[2]
PKC
MAPK
Ras
CaM
PKM
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[4]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[5]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[6]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[7]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[8]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[9]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[10]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[11]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[12]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[13]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[14]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[15]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[16]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[17]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[18]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[19]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[20]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[21]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[22]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[23]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[24]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[25]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[26]
PKC
MAPK
 Molecule
 Enzyme
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[27]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[28]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[29]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[30]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[31]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[32]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[33]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[34]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[35]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[36]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[37]
PKC
MAPK
Ras
CaM
PKM
Shared Object_
Ajay_Bhalla_
2007_ReacDiff2_
[38]
PKC
MAPK
Ras
CaM
PKM

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Enzyme List for pathway MAPK (Pathway Number 842)

 Molecule Name/
Site Name
Km (uM) kcat (1/s)Ratio
(k2/k3)
Enzyme TypeSubstrate Product
1 Enzyme Activity:
MAPKKthr

Enzyme Molecule:
MAPKK*
0.04629640.34explicit E-S complexMAPK-tyr
MAPK*
  Rate consts same as for MAPKKtyr.
2 Enzyme Activity:
MAPKKtyr

Enzyme Molecule:
MAPKK*
0.04629640.34explicit E-S complexMAPK
MAPK-tyr
  The actual MAPKK is 2 forms from Seger et al JBC 267:20 14373(1992) Vmax = 150nmol/min/mg From Haystead et al FEBS 306(1):17-22 we get Km=46.6nM for at least one of the phosphs. Putting these together: k3=0.15/sec, scale to get k2=0.6. k1=0.75/46.6nM=2.7e-5
3 Enzyme Activity:
Raf*-GTP-Ras.1

Enzyme Molecule:
Raf*-GTP-Ras
0.1590960.34explicit E-S complexMAPKK
MAPKK-ser
  Kinetics are the same as for the craf-1* activity, ie., k1=1.1e-6, k2=.42, k3 =0.105 These are based on Force et al PNAS USA 91 1270-1274 1994. These parms cannot reach the observed 4X stim of MAPK. So lets increase the affinity, ie, raise k1 10X to 1.1e-5 Lets take it back down to where it was. Back up to 5X: 5.5e-6
4 Enzyme Activity:
Raf*-GTP-Ras.2

Enzyme Molecule:
Raf*-GTP-Ras
0.1590960.34explicit E-S complexMAPKK-ser
MAPKK*
  Same kinetics as other c-raf activated forms. See Force et al PNAS 91 1270-1274 1994. k1 = 1.1e-6, k2 = .42, k3 = 1.05 raise k1 to 5.5e-6
5 Enzyme Activity:
Raf-GTP-Ras.1

Enzyme Molecule:
Raf-GTP-Ras
0.1590960.34explicit E-S complexMAPKK
MAPKK-ser
  Kinetics are the same as for the craf_1* activity, ie., k1=5.5e-6, k2=0.42, k3 = 0.105 These are basedo n Force et al PNAS USA 91 1270-1274, 1994., but k1 is scaled up 5x (ie., Km is scaled down 5x to the value used here and for craf_1* activity: Km = 0.1591).
6 Enzyme Activity:
Raf-GTP-Ras.2

Enzyme Molecule:
Raf-GTP-Ras
0.1590960.34explicit E-S complexMAPKK-ser
MAPKK*
  Kinetics are the same as for the craf_1* activity, ie., k1=5.5e-6, k2=0.42, k3 = 0.105 These are basedo n Force et al PNAS USA 91 1270-1274, 1994., but k1 is scaled up 5x (ie., Km is scaled down 5x to the value used here and for craf_1* activity: Km = 0.1591).


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Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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