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Molecule List for pathway Gq (Pathway Number 316) in Accession Ajay_Bhalla_2004_PKM_Tuning (Accession Number 76)
| 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.
|Buffered||Sum Total Of|
|1|| Blocked-rec-Gq||Network||0||1.5||No||- |
|2|| G-GDP||Network||1||1.5||No||- |
| || From M&L, total Gprot = 1e5molecules/cell At equil, 92340 are here, 400 are in G*GTP, and another 600 are assoc with the PLC and 6475 are as G*GDP. This is OK. From Pang and Sternweis JBC 265:30 18707-12 1990 we get conc est 1.6 uM to 0.8 uM. A number of other factors are involved too. |
|3|| mGluR||Network||0.3||1.5||No||- |
| || From M&L, Total # of receptors/cell = 1900 Vol of cell = 1e-15 (10 um cube). Navogadro = 6.023e23 so conversion from n to conc in uM is n/vol*nA * 1e3 = 1.66e-6 However, for typical synaptic channels the density is likely to be very high at the synapse. Use an estimate of 0.1 uM for now. this gives a total of about 60K receptors/cell, which is in line with Fay et at. |
|4|| mGluRAntag||Network||0||1.5||Yes||- |
| || I am implementing this as acting only on the Rec-Gq complex, based on a more complete model PLC_Gq48.g which showed that the binding to the rec alone contributed only a small amount. |
|5|| Rec-Glu||Network||0||1.5||No||- |
| || This acts like an enzyme to activate the g proteins Assume cell has vol 1e-15 m^3 (10 uM cube), conversion factor to conc in uM is 6e5 |
|6|| Rec-Glu-Gq||Network||0||1.5||No||- |
|7|| Rec-Gq||Network||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. |
|Database compilation and code copyright (C) 2005, Upinder S. Bhalla and NCBS/TIFR |
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