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Molecule Parameter List for Rec-Gq | 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 | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning | 77 | Network |
Shared_Object_Ajay_Bhalla_2004_PKM_MKP3_Tuning, PKC, PLA2,
PLCbeta, Ras, Gq,
MAPK, EGFR, Sos,
PLC_g, CaMKII, CaM,
PP1, PP2B, PKA,
AC, MKP3, PKM | | This model is based on Ajay SM, Bhalla US. Eur J Neurosci. 2004 Nov;20(10):2671-80. This is the feedforward model with MPK3 from figure 8a. |
Rec-Gq acting as a Molecule in Ajay_Bhalla_2004_PKM_MKP3_Tuning Network
| Name | Accession Name | Pathway Name | Initial Conc.
(uM) | Volume
(fL) | Buffered | | Rec-Gq | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Accession No. : 77 | Gq
Pathway No. : 334 | 0 | 1.5 | No | | Fraction of Rec-Gq is 44% of rec, from Fay et al. Since this is not the same receptor, this value is a bit doubtful. Still, we adjust the rate consts in Rec-bind-Gq to match. |
Rec-Gq acting as a Substrate in a reaction in Ajay_Bhalla_2004_PKM_MKP3_Tuning 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 | Glu-bind-Rec-Gq | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Accession No. : 77 | Gq
Pathway No. : 334 | 16.8003
(uM^-1 s^-1) | 0.1
(s^-1) | Kd(bf) = 0.006(uM) | - | Substrate
Glu
Rec-Gq
Product
Rec-Glu-Gq
| | | From Fay et al kb3 = kb = 1.06e-3 which is rather slow. k+1 = kf = 2.8e7 /M/sec= 4.67e-5/sec use 5e-5. However, the Kd from Martin et al may be more appropriate, as this is Glu not the system from Fay. kf = 2.8e-5, kb = 10 Let us compromise. since we have the Fay model, keep kf = k+1 = 2.8e-5. But kb (k-3) is .01 * k-1 from Fay. Scaling by .01, kb = .01 * 10 = 0.1 | | 2 | Antag-bind-Rec-G
q | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Accession No. : 77 | Gq
Pathway No. : 334 | 60.0003
(uM^-1 s^-1) | 0.01
(s^-1) | Kd(bf) = 0.0002(uM) | - | Substrate
Rec-Gq
mGluRAntag
Product
Blocked-rec-Gq
| | | The rate consts give a total binding affinity of only |
Rec-Gq acting as a Product in a reaction in Ajay_Bhalla_2004_PKM_MKP3_Tuning 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 | | Rec-bind-Gq | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Accession No. : 77 | Gq
Pathway No. : 334 | 0.6
(uM^-1 s^-1) | 1
(s^-1) | Kd(bf) = 1.6667(uM) | - | Substrate
G-GDP
mGluR
Product
Rec-Gq
| | Lets try out the same kinetics as the Rec-Glu-bind-Gq This is much too forward. We know that the steady-state amount of Rec-Gq should be 40% of the total amount of receptor. This is for a different receptor, still we can try to match the value. kf = 1e-6 and kb = 1 give 0.333:0.8 which is pretty close. |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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