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Molecule Parameter List for G*GDP | 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 |
Accession and Pathway Details | |
| Accession Name | Accession No. | Accession Type | Pathway Link | Osc_Ca_
IP3metabolism | 32 | Network |
MIPP, CaMKII, CaM,
PKC, IP3-3K, Gq,
PLCbeta, 134_dephos, 145_dephos,
IP4-system, IHP-system, 1345_dephos,
CaRegulation, Othmer-Tang-model | | This network models an oscillatory calcium response to GPCR mediated PLCbeta activation, alongwith detailed InsP3 metabolism in the neuron. It is similar to the Osc_Ca_IP3metab model (accession 24) except that some enzymes in the InsP3 metabolism network have been modified to have reversible kinetics rather than Michaelis-Menten kinetics. The modified enzymes belong to the groups: IP4-system, IP3-3K, 145_dephos and 134_dephos. Mishra J, Bhalla US. Biophys J. 2002 Sep;83(3):1298-316. |
G*GDP acting as a Molecule in Osc_Ca_IP3metabolism Network
| Name | Accession Name | Pathway Name | Initial Conc.
(uM) | Volume
(fL) | Buffered | | G*GDP | Osc_Ca_
IP3metabolism
Accession No. : 32 | Gq
Pathway No. : 163 | 0 | 1000 | No | | This should correctly be called GDP.G_alpha. The name is preserved for backward compatibility reasons. |
G*GDP acting as a Substrate in a reaction in Osc_Ca_IP3metabolism 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. |
| Name | Accession Name | Pathway Name | Kf | Kb | Kd | tau | Reagents | | Trimerize-G | Osc_Ca_
IP3metabolism
Accession No. : 32 | Gq
Pathway No. : 163 | 6
(uM^-1 s^-1) | 0
(s^-1) | - | - | Substrate
BetaGamma
G*GDP
Product
G-GDP
| | kf == kg3 = 1e-5 /cell/sec. As usual, there is no back-reaction kb = 0 |
G*GDP acting as a Product in a reaction in Osc_Ca_IP3metabolism 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. |
| | Name | Accession Name | Pathway Name | Kf | Kb | Kd | tau | Reagents | | 1 | Inact-G | Osc_Ca_
IP3metabolism
Accession No. : 32 | Gq
Pathway No. : 163 | 0.0133
(s^-1) | 0
(s^-1) | - | - | Substrate
G*GTP
Product
G*GDP
| | | From Berstein et al JBC 267:12 8081-8088 1992, kcat for GTPase activity of Gq is only 0.8/min. | | 2 | Inact-PLC-Gq | Osc_Ca_
IP3metabolism
Accession No. : 32 | PLCbeta
Pathway No. : 164 | 1.6667
(s^-1) | 0
(uM^-1 s^-1) | - | - | Substrate
PLC-Ca-Gq
Product
G*GDP
PLC-Ca
| | | Rate of 100/min to account for GAP activity of PLC: Biddlecome et al, JBC, 271, 14, 7999-8007, 1996 |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
This Copyright is applied to ensure that the contents of this database remain freely available. Please see FAQ for details. |
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