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Molecule Parameter List for ip1_4pase_cmplx

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
ip1_4pase_cmplx participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1000011

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
  • NonOsc_Ca_
    IP3metabolism
  • 31Network
    MIPP CaMKII CaM 
    PKC IP3-3K CaRegulation 
    Gq PLCbeta 134_dephos 
    145_dephos IP4-system IHP-system 
    1345_dephos 
    This network models detailed metabolism of Ins(145)P3, integrated with GPCR mediated PLCbeta activation and Ca release by the InsP3 receptor in the neuron. It is similar to the NonOsc_Ca_IP3metab model (accession 23) except that some enzymes have been modified to have reversible kinetics rather than Michaelis-Menten kinetics. These modified enzymes belong to the groups: IP4-system, IP3-3K, 145_dephos and 134_dephos. Mishra J, Bhalla US. Biophys J. 2002 Sep;83(3):1298-316.

    ip1_4pase_cmplx acting as a Molecule in  
    NonOsc_Ca_IP3metabolism Network
    NameAccession NamePathway NameInitial Conc.
    (uM)
    Volume
    (fL)
    Buffered
    ip1_4pase_cmplx
  • NonOsc_Ca_
    IP3metabolism

    Accession No. : 31
  • 145_dephos
    Pathway No. : 153
    01000No
    Enzyme complex exclusively modeled to accomodate enzyme reversibility as obtained from dG = -5 kJ/mol calculations.

    ip1_4pase_cmplx acting as a Substrate in a reaction in  
    NonOsc_Ca_IP3metabolism Network
    Kd is calculated only for second order reactions, like nA+nB <->nC or nA<->nC+nD, where n is number and A,B,C,D are molecules, where as for first order reactions Keq is calculated. Kd for higher order reaction are not consider.
    NameAccession NamePathway NameKfKbKdtauReagents
    4pase-off
  • NonOsc_Ca_
    IP3metabolism

    Accession No. : 31
  • 145_dephos
    Pathway No. : 153
    39.33
    (s^-1)
    0.0021
    (uM^-1 s^-1)
    Kd(cb) = 0.0001(uM)-Substrate
    ip1_4pase_cmplx

    Product
    IP1_pase
    inositol
    Kf = Vmax for Ins(4)P1 4-phosphatase: Gee et al, Biochem J 249, 1988. Kb adjusted to generate reported basal levels of Ins(4)P1 = 10% of Ins(1)P1 ~ 4uM

    ip1_4pase_cmplx acting as a Product in a reaction in  
    NonOsc_Ca_IP3metabolism Network
    Kd is calculated only for second order reactions, like nA+nB <->nC or nA<->nC+nD, where n is number and A,B,C,D are molecules, where as for first order reactions Keq is calculated. Kd for higher order reaction are not consider.
    NameAccession NamePathway NameKfKbKdtauReagents
    4pase-on
  • NonOsc_Ca_
    IP3metabolism

    Accession No. : 31
  • 145_dephos
    Pathway No. : 153
    1.035
    (uM^-1 s^-1)
    157.32
    (s^-1)
    Kd(bf) = 152(uM)-Substrate
    IP1(4)
    IP1_pase

    Product
    ip1_4pase_cmplx
    Rates derived from Ins(4)P1 4-phosphatase Km: Gee et al, Biochem J 249; 1988



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