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Molecule Parameter List for Sos

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
Sos participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1001011

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
fig2_egfr1Network
Shared_Object_fig2_egfr PKC PLA2 
PLCbeta Gq MAPK 
Ras EGFR Sos 
PLC_g CaRegulation 
This network was used to generate figure 2 in Bhalla US and Iyengar R. Science (1999) 283(5400):381-7. It consists of the MAPK cascade in a feedback loop with PKC, and receives input from the EGFR in the synapse.
Demonstration script files for generating the figures in the paper, including figure 2, are available here.

Sos acting as a Molecule in  
fig2_egfr Network
NameAccession NamePathway NameInitial Conc.
(uM)
Volume
(fL)
Buffered
Sosfig2_egfr
Accession No. : 1
Sos
Pathway No. : 9
0.11000No

Sos acting as a Substrate for an Enzyme in  
fig2_egfr Network
Enzyme Molecule /
Enzyme Activity
Accession NamePathway NameKm (uM)kcat (s^-1)RatioEnzyme TypeReagents
MAPK*  /
phosph_Sos
fig2_egfr
Accession No. : 1
  • Shared_Object_
    fig2_egfr

    Pathway No. : 1
  • 2.5641104explicit E-S complexSubstrate
    Sos

    Product
    Sos*

    Sos acting as a Substrate in a reaction in  
    fig2_egfr 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
    Grb2_bind_Sosfig2_egfr
    Accession No. : 1
    Sos
    Pathway No. : 9
    0.025
    (uM^-1 s^-1)
    0.0168
    (s^-1)
    Kd(bf) = 0.672(uM)-Substrate
    Grb2
    Sos

    Product
    Sos.Grb2

    Sos acting as a Product in a reaction in  
    fig2_egfr 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
    dephosph_Sosfig2_egfr
    Accession No. : 1
    Sos
    Pathway No. : 9
    0.001
    (s^-1)
    0
    (s^-1)
    --Substrate
    Sos*

    Product
    Sos



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