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Molecule Parameter List for RasGDP-NF1_Pi

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
RasGDP-NF1_Pi 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
RasGTPase71Pathway
RasGTPase 
Ras is an important regulator of cell growth in all eukaryotic cells. The model represent hydrolysis of active Ras-bound GTP to give inactive Ras-bound GDP catalyzed by GTPase activating proteins i.e NF1. The inactive Ras-bound GDP turns signalling protein off.

RasGDP-NF1_Pi acting as a Molecule in  
RasGTPase Network
NameAccession NamePathway NameInitial Conc.
(uM)
Volume
(fL)
Buffered
RasGDP-NF1_PiRasGTPase
Accession No. : 71
RasGTPase
Pathway No. : 307
0523.6No
NF1 bound to N-ras complexed to GDP.Pi NF1 is a GAP Phillips RA et al 2003 Biochemistry 42: 3956-3965

RasGDP-NF1_Pi acting as a Substrate in a reaction in  
RasGTPase 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
  • GTP_
    hydrolysis[2]
  • RasGTPase
    Accession No. : 71
    RasGTPase
    Pathway No. : 307
    40
    (s^-1)
    0.0001
    (uM^-1 s^-1)
    Kd(cb) = 0(uM)-Substrate
    RasGDP-NF1_Pi

    Product
    Pi
    RasGDP_NF1
    Second step in hydrolysis of GTP bound to Ras is complexed with NF1 - a mammalian GAP Kf = 40 /sec Kb = 108 /M/sec = 1.08e-04 /uM/sec Phillips RA et al 2003 Biochemistry 42: 3956-3965

    RasGDP-NF1_Pi acting as a Product in a reaction in  
    RasGTPase 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
  • GTP_
    hydrolysis[1]
  • RasGTPase
    Accession No. : 71
    RasGTPase
    Pathway No. : 307
    19.5
    (s^-1)
    0.22
    (s^-1)
    Keq = 0.0113(uM)0.051secSubstrate
    RasGTP-NF1*

    Product
    RasGDP-NF1_Pi
    First step in hydrolysis of GTP bound to Ras complexed with NF1 - a mammalian GAP Kf = 19.5 /sec Kb = 0.22 /sec Table 3, Phillips RA et al 2003 Biochemistry 42: 3956-3965



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