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Accession Type:
Network
Osc_Ca_
IP3metabolism
MIPP
CaMKII
CaM
PKC
IP3-3K
Gq
PLCbeta
134_dephos
145_dephos
IP4-system
IHP-system
1345_dephos
CaRegulation
Othmer-Tang-mode
l
 Molecule
 Enzyme
 Reaction

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Enzyme List for pathway Othmer-Tang-model (Pathway Number 133)

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

Enzyme Molecule:
ER_pump
0.150007104explicit E-S complexCa
Ca-sequester
  Othmer and Tang use a Km of 0.5 uM, but this does not generate proper Ca oscillations in our model. So we have decreased Km to 0.15 uM. This is closer to the 0.1 uM value used by Keizer and De Young in Tang et al, Biophys J 70, 1996


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