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Molecule Parameter List for PLA2-cytosolic | 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. |
PLA2-cytosolic acting as a Molecule in Ajay_Bhalla_2004_PKM_MKP3_Tuning Network
| Name | Accession Name | Pathway Name | Initial Conc.
(uM) | Volume
(fL) | Buffered | | PLA2-cytosolic | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Accession No. : 77 | PLA2
Pathway No. : 331 | 0.4 | 1.5 | No | | Calculated cytosolic was 20 nm from Wijkander and Sundler However, Leslie and Channon use about 400 nM. Need to confirm, but this is the value I use here. Another recalc of W&S gives 1uM |
PLA2-cytosolic acting as a Substrate for an Enzyme in Ajay_Bhalla_2004_PKM_MKP3_Tuning Network
Enzyme Molecule /
Enzyme Activity | Accession Name | Pathway Name | Km (uM) | kcat (s^-1) | Ratio | Enzyme Type | Reagents | MAPK* /
MAPK* | Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Accession No. : 77 | Shared_Object_
Ajay_Bhalla_
2004_PKM_MKP3_
Tuning
Pathway No. : 329 | 25.6406 | 10 | 4 | explicit E-S complex | Substrate
PLA2-cytosolic
Product
PLA2*
| | Km = 25uM @ 50 uM ATP and 1mg/ml MBP (huge XS of substrate) Vmax = 4124 pmol/min/ml at a conc of 125 pmol/ml of enz, so: k3 = .5/sec (rate limiting) k1 = (k2 + k3)/Km = (.5 + 0)/(25*6e5) = 2e-8 (#/cell)^-1 #s from Sanghera et al JBC 265 pp 52 , 1990. From Nemenoff et al JBC 268(3):1960-1964 - using Sanghera's 1e-4 ratio of MAPK to protein, we get k3 = 7/sec from 1000 pmol/min/mg fig 5 |
PLA2-cytosolic 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. |
PLA2-cytosolic 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. |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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