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Molecule Parameter List for AA

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

AA participated as	Molecule	Sum total of	Enzyme	Substrate of an enzyme	Product of an enzyme	Substrate in Reaction	Product in Reaction
No. of occurrences	1	0	0	0	5	1	0

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.

AA acting as a Molecule in  Ajay_Bhalla_2004_PKM_MKP3_Tuning Network

Name	Accession Name	Pathway Name	Initial Conc. (uM)	Volume (fL)	Buffered
AA	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	Shared_Object_ Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Pathway No. : 329	0	1.5	No

AA acting as a Product of 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
1	PLA2-Ca*  / kenz	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	PLA2 Pathway No. : 331	20	5.4	4	explicit E-S complex	Substrate APC Product AA
	10 x raise oct22 12 x oct 24, set k2 = 4 * k3
2	PIP2-PLA2*  / kenz	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	PLA2 Pathway No. : 331	19.9998	11.04	4	explicit E-S complex	Substrate APC Product AA
	10 X raise oct 22 12 X further raise oct 24 to allow for correct conc of enzyme
3	PIP2-Ca-PLA2*  / kenz	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	PLA2 Pathway No. : 331	20	36	4	explicit E-S complex	Substrate APC Product AA
	10 x raise oct 22 12 x and rescale for k2 = 4 * k3 convention oct 24 Increase further to get the match to expt, which was spoilt due to large accumulation of PLA2 in the enzyme complexed forms. Lets raise k3, leaving the others at k1 = 1.5e-5 and k2 = 144 since they are large already.
4	DAG-Ca-PLA2*  / kenz	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	PLA2 Pathway No. : 331	19.9996	60	4	explicit E-S complex	Substrate APC Product AA
	10 X raise oct 22 12 X raise oct 24 + conversion to k2 =4 * k3
5	PLA2*-Ca  / kenz	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	PLA2 Pathway No. : 331	20.0002	120	4	explicit E-S complex	Substrate APC Product AA
	This form should be 3 to 6 times as fast as the Ca-only form. I have scaled by 4x which seems to give a 5x rise. 10x raise Oct 22 12 x oct 24, changed k2 = 4 * k3

AA 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
Degrade-AA	Ajay_Bhalla_ 2004_PKM_MKP3_ Tuning Accession No. : 77	PLA2 Pathway No. : 331	0.4 (s^-1)	0 (s^-1)	-	-	Substrate AA Product APC
I need to check if the AA degradation pathway really leads back to APC. Anyway, it is a convenient buffered pool to dump it back into. For the purposes of the full model we use a rate of degradation of 0.2/sec Raised decay to 0.4 : see PLA35.g notes for Feb17