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Name Notes Model

Molecule Parameter List for PKC-Ca-DAG

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

PKC-Ca-DAG 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	0	1	1

Accession and Pathway Details

Accession Name	Accession No.	Accession Type	Pathway Link
MAPK-bistability -fig1c	35	Network	Shared_Object_MAPK-bistability-fig1c,  Sos,  PKC,   MAPK,  PLA2,  Ras,   PDGFR
Model for figure 1c in Bhalla US et al. Science (2002) 297(5583):1018-23. The demo for this figure is available here. This synaptic signaling model is without the MKP-1 feedback, so it is bistable and remains so over long periods.

PKC-Ca-DAG acting as a Molecule in  MAPK-bistability-fig1c Network

Name	Accession Name	Pathway Name	Initial Conc. (uM)	Volume (fL)	Buffered
PKC-Ca-DAG	MAPK-bistability -fig1c Accession No. : 35	PKC Pathway No. : 181	0	1000	No
This is the active PKC form involving Ca and DAG. It has to translocate to the membrane.

PKC-Ca-DAG acting as a Substrate in a reaction in  MAPK-bistability-fig1c 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
PKC-DAG-to-memb	MAPK-bistability -fig1c Accession No. : 35	PKC Pathway No. : 181	1 (s^-1)	0.1 (s^-1)	Keq = 0.1(uM)	0.909sec	Substrate PKC-Ca-DAG Product PKC-DAG-memb*
membrane translocation step for Ca.DAG.PKC complex. Rates constrained from Shinomura et al 1991 PNAS 88:5149-5153 and Schaechter and Benowitz 1993 J Neurosci 13(10):4361 as derived in the references cited in PKC general notes.

PKC-Ca-DAG acting as a Product in a reaction in  MAPK-bistability-fig1c 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
PKC-act-by-DAG	MAPK-bistability -fig1c Accession No. : 35	PKC Pathway No. : 181	0.008 (uM^-1 s^-1)	8.6348 (s^-1)	Kd(bf) = 1079.377(uM)	-	Substrate DAG PKC-Ca Product PKC-Ca-DAG
Ca.PKC interaction with DAG is modeled by this reaction. Kf based on Shinomura et al PNAS 88 5149-5153 1991 and Schaechter and Benowitz 1993 J Neurosci 13(10):4361 and uses the constraining procedure referred to in the general notes for PKC.