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Molecule List for pathway Ras (Pathway Number 58) in Accession 3d_fold_model (Accession Number 8)

Default ordering is done according to Pathway Number. Table headers can be used for changing the default ordering.
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The entries are grouped according to Pathway Number and are alternately color coded using  and  color.
  NameAccession
Type
Initial
Conc.

(uM)
Volume
(fL)
BufferedSum Total Of
1 GAPNetwork0.0021000No
    GTPase-activating proteins. See Boguski and McCormick. Turn off Ras by helping to hydrolyze bound GTP. This one is probably NF1, ie., Neurofibromin as it is inhibited by AA and lipids, and expressed in neural cells. p120-GAP is also a possible candidate, but is less regulated. Both may exist at similar levels. See Eccleston et al JBC 268(36) pp27012-19 Level=.002
2 GAP*Network01000No
3 GDP-RasNetwork0.21000No
    GDP bound form. See Rosen et al Neuron 12 1207-1221 June 1994. the activation loop is based on Boguski and McCormick Nature 366 643-654 93 Assume Ras is present at about the same level as craf-1, 0.2 uM. Hallberg et al JBC 269:6 3913-3916 1994 estimate upto 5-10% of cellular Raf is assoc with Ras. Given that only 5-10% of Ras is GTP-bound, we need similar amounts of Ras as Raf.
4 GEF*Network01000No
    phosphorylated and thereby activated form of GEF. See, e.g. Orita et al JBC 268:34 25542-25546 1993, Gulbins et al. It is not clear whether there is major specificity for tyr or ser/thr.
5 GTP-RasNetwork01000No
    Only a very small fraction (7% unstim, 15% stim) of ras is GTP-bound. Gibbs et al JBC 265(33) 20437
6 inact-GEFNetwork0.11000No
    Assume that SoS is present only at 50 nM. Revised to 100 nM to get equil to experimentally known levels.

 
Result: 1 - 6 of 6 rows are displayed



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