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Molecule Parameter List for PKA-inhibitor

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
PKA-inhibitor participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1000010

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
PKA_200347Network
Shared_Object_PKA_2003 PKA AC 
Gs 
This model consists of receptor-ligand interaction, G-protein activation, Adenylyl cyclase mediated formation of cAMP and activation of PKA in the neuron. Demonstration programs using this model described in Bhalla US. (2004) Biophys J. 87(2):733-44 to generate a dose-response curve using stochastic calculations are available here.

PKA-inhibitor acting as a Molecule in  
PKA_2003 Network
NameAccession NamePathway NameInitial Conc.
(uM)
Volume
(fL)
Buffered
PKA-inhibitorPKA_2003
Accession No. : 47
PKA
Pathway No. : 196
0.251000No
About 25% of PKA C subunit is dissociated in resting cells without having any noticable activity. Doskeland SO and Ogreid D (1981) Int J Biochem 13(1):1-19 suggest that this is because there is a corresponding amount of inhibitor protein.

PKA-inhibitor acting as a Substrate in a reaction in  
PKA_2003 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.
NameAccession NamePathway NameKfKbKdtauReagents
inhib-PKAPKA_2003
Accession No. : 47
PKA
Pathway No. : 196
60
(uM^-1 s^-1)
1
(s^-1)
Kd(bf) = 0.0167(uM)-Substrate
PKA-active
PKA-inhibitor

Product
inhibited-PKA
This has to be set to zero for matching the expts in vitro. In vivo we need to consider the inhibition though.



Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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