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Molecule Parameter List for Ca-CaM_nNOS

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
Ca-CaM_nNOS participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1000011

Accession and Pathway Details
Accession NameAccession No.Accession TypePathway Link
Stuehr_NOS12Pathway
NOS 
This is a model of neuronal Nitric Oxide Synthase expressed in Escherichia coli based on Santolini J. et al. J Biol Chem. (2001) 276(2):1233-43. The rates have been converted by 2x for every 10 degrees C. The original temperature was 10 degree C, cell temperature is assumed 30 degree C, so the conversion factor is 4.

Ca-CaM_nNOS acting as a Molecule in  
Stuehr_NOS Network
NameAccession NamePathway NameInitial Conc.
(uM)
Volume
(fL)
Buffered
Ca-CaM_nNOSStuehr_NOS
Accession No. : 12
NOS
Pathway No. : 66
00.0016667No

Ca-CaM_nNOS acting as a Substrate in a reaction in  
Stuehr_NOS 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
arg_bind_nNOSStuehr_NOS
Accession No. : 12
NOS
Pathway No. : 66
0.5
(uM^-1 s^-1)
81
(s^-1)
Kd(bf) = 162(uM)-Substrate
Ca-CaM_nNOS
L-Arg

Product
FeIII
From Stuehr et al., Biochem, 1999, 38(38):12446-12451. Rates used as it is from their results.

Ca-CaM_nNOS acting as a Product in a reaction in  
Stuehr_NOS 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
Ca-CaMbind-nNOSStuehr_NOS
Accession No. : 12
NOS
Pathway No. : 66
3.25
(uM^-1 s^-1)
0.05
(s^-1)
Kd(bf) = 0.0154(uM)-Substrate
CaM-Ca4
nNOS

Product
Ca-CaM_nNOS
Those binding CaM have a high Kd, including nNOS, ~ <= 10 nM. The binding of CaM to NOS has been demonstrated to act as the trigger necessary for electron transfer and catalytic activity. (Marletta, Biochemistry, 1997;36;12337-12345)



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