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Molecule Parameter List for EGF

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
EGF participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1000010

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
  • Ajay_Bhalla_
    2004_Feedback_
    Tuning
  • 78Network
    Shared_Object_Ajay_Bhalla_2004_Feedback_Tuning PKC PLA2 
    PLCbeta Gq MAPK 
    Ras EGFR Sos 
    PLC_g CaMKII CaM 
    PP1 PP2B PKA 
    AC 
    This model is taken from Ajay SM, Bhalla US. Eur J Neurosci. 2004 Nov;20(10):2671-80. This is the feedback model from Figure 8a.

    EGF acting as a Molecule in  
    Ajay_Bhalla_2004_Feedback_Tuning Network
    NameAccession NamePathway NameInitial Conc.
    (uM)
    Volume
    (fL)
    Buffered
    EGF
  • Ajay_Bhalla_
    2004_Feedback_
    Tuning

    Accession No. : 78
  • EGFR
    Pathway No. : 354
    01.5Yes

    EGF acting as a Substrate in a reaction in  
    Ajay_Bhalla_2004_Feedback_Tuning 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
    act_EGFR
  • Ajay_Bhalla_
    2004_Feedback_
    Tuning

    Accession No. : 78
  • EGFR
    Pathway No. : 354
    4.2
    (uM^-1 s^-1)
    0.25
    (s^-1)
    Kd(bf) = 0.0595(uM)-Substrate
    EGF
    EGFR

    Product
    L.EGFR
    Affinity of EGFR for EGF is complex: depends on [EGFR]. We'll assume fixed [EGFR] and use exptal affinity ~20 nM (see Sherrill and Kyte Biochem 1996 35 5705-5718, Berkers et al JBC 266:2 922-927 1991, Sorokin et al JBC 269:13 9752-9759 1994). Tau =~2 min (Davis et al JBC 263:11 5373-5379 1988) or Berkers Kass = 6.2e5/M/sec, Kdiss=3.5e-4/sec. Sherrill and Kyte have Hill Coeff=1.7



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