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Molecule Parameter List for MAPKK

The statistics table lists the distribution of a molecule acting either as a substrate, product, enzyme or as a molecule within the network.
The text color of a molecule is highlighted by color.
Statistics
MAPKK participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1001100

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
  • MAPK_network_
    2003
  • 50Network
    Shared_Object_MAPK_network_2003 PKC PLA2 
    PLCbeta Gq MAPK 
    Ras EGFR Sos 
    PLC_g CaMKII CaM 
    PP1 PP2B PKA 
    AC 
    This is a network model of many pathways present at the neuronal synapse. The network has properties of temporal tuning as well as steady-state computational properties. In its default form the network is bistable.Bhalla US Biophys J. 2004 Aug;87(2):745-53

    MAPKK acting as a Molecule in  
    MAPK_network_2003 Network
    NameAccession NamePathway NameInitial Conc.
    (uM)
    Volume
    (fL)
    Buffered
    MAPKK
  • MAPK_network_
    2003

    Accession No. : 50
  • MAPK
    Pathway No. : 211
    0.181000No
    Conc is from Seger et al JBC 267:20 pp14373 (1992) mwt is 45/46 Kd We assume that phosphorylation on both ser and thr is needed for activiation. See Kyriakis et al Nature 358 417 1992 Init conc of total is 0.18

    MAPKK acting as a Substrate for an Enzyme in  
    MAPK_network_2003 Network
    Enzyme Molecule /
    Enzyme Activity
    Accession NamePathway NameKm (uM)kcat (s^-1)RatioEnzyme TypeReagents
    Raf-GTP-Ras*  /
    Raf-GTP-Ras*.1
  • MAPK_network_
    2003

    Accession No. : 50
  • MAPK
    Pathway No. : 211
    0.1590910.1054explicit E-S complexSubstrate
    MAPKK

    Product
    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

    MAPKK acting as a Product of an Enzyme in  
    MAPK_network_2003 Network
    Enzyme Molecule /
    Enzyme Activity
    Accession NamePathway NameKm (uM)kcat (s^-1)RatioEnzyme TypeReagents
    PPhosphatase2A  /
    MAPKK-deph-ser
  • MAPK_network_
    2003

    Accession No. : 50
  • Shared_Object_
    MAPK_network_
    2003

    Pathway No. : 206
  • 15.656664.16667explicit E-S complexSubstrate
    MAPKK-ser

    Product
    MAPKK



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