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Accession Type:
Network
EGFR_MAPK
Shared_Object_
EGFR_MAPK
MAPK
Ras
EGFR
 Molecule
 Enzyme
 Reaction
Sos

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Enzyme List for pathway EGFR (Pathway Number 232)

 Molecule Name/
Site Name
Km (uM) kcat (1/s)Ratio
(k2/k3)
Enzyme TypeSubstrate Product
1 Enzyme Activity:
phosph_Shc

Enzyme Molecule:
L.EGFR
0.8333330.24explicit E-S complexSHC
SHC*
  Rates from Okada et al JBC 270:35 pp 20737 1995 Km = 0.70 to 0.85 uM, Vmax = 4.4 to 5.0 pmol/min. Unfortunately the amount of enzyme is not known, the prep is only partially purified. Time course of phosph is max within 30 sec, falls back within 20 min. Ref: Sasaoka et al JBC 269:51 32621 1994. Use k3 = 0.1 based on this tau.


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