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Molecule Parameter List for PPhosphatase2A

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
PPhosphatase2A participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1040000

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
  • Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning
  • 77Network
    Shared_Object_Ajay_Bhalla_2004_PKM_MKP3_Tuning PKC PLA2 
    PLCbeta Ras Gq 
    MAPK EGFR Sos 
    PLC_g CaMKII CaM 
    PP1 PP2B PKA 
    AC MKP3 PKM 
    This model is based on Ajay SM, Bhalla US. Eur J Neurosci. 2004 Nov;20(10):2671-80. This is the feedforward model with MPK3 from figure 8a.

    PPhosphatase2A acting as a Molecule in  
    Ajay_Bhalla_2004_PKM_MKP3_Tuning Network
    NameAccession NamePathway NameInitial Conc.
    (uM)
    Volume
    (fL)
    Buffered
    PPhosphatase2A
  • Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Accession No. : 77
  • Shared_Object_
    Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Pathway No. : 329
  • 11.5No
    Refs: Pato et al Biochem J 293:35-41(93); Takai&Mieskes Biochem J 275:233-239 k1=1.46e-4, k2=1000,k3=250. these use kcat values for calponin. Also, units of kcat may be in min! revert to Vmax base: k3=6, k2=25,k1=3.3e-6 or 6,6,1e-6 CoInit assumed 0.1 uM. See NOTES for MAPK_Ras50.g. CoInit now 0.08 Sep 17 1997: Raise CoInt 1.4x to 0.224, see parm searches from jun 96 on.

    PPhosphatase2A acting as an Enzyme in  
    Ajay_Bhalla_2004_PKM_MKP3_Tuning Network
     Enzyme Molecule /
    Enzyme Activity
    Accession NamePathway NameKm (uM)kcat (s^-1)RatioEnzyme TypeReagents
    1PPhosphatase2A /
    craf-deph
  • Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Accession No. : 77
  • Shared_Object_
    Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Pathway No. : 329
  • 15.656864explicit E-S complexSubstrate
    craf-1*

    Product
    craf-1
        See parent PPhosphatase2A for parms
    2PPhosphatase2A /
    MAPKK-deph
  • Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Accession No. : 77
  • Shared_Object_
    Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Pathway No. : 329
  • 15.656864explicit E-S complexSubstrate
    MAPKK*

    Product
    MAPKK-ser
        See: Kyriakis et al Nature 358 pp 417-421 1992 Ahn et al Curr Op Cell Biol 4:992-999 1992 for this pathway. See parent PPhosphatase2A for parms.
    3PPhosphatase2A /
    MAPKK-deph-ser
  • Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Accession No. : 77
  • Shared_Object_
    Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Pathway No. : 329
  • 15.656864explicit E-S complexSubstrate
    MAPKK-ser

    Product
    MAPKK
       
    4PPhosphatase2A /
    craf**-deph
  • Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Accession No. : 77
  • Shared_Object_
    Ajay_Bhalla_
    2004_PKM_MKP3_
    Tuning

    Pathway No. : 329
  • 15.656864explicit E-S complexSubstrate
    craf-1**

    Product
    craf-1*
        Ueki et al JBC 269(22) pp 15756-15761 1994 show hyperphosphorylation of craf, so this is there to dephosphorylate it. Identity of phosphatase is not known to me, but it may be PP2A like the rest, so I have made it so.



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