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Molecule Parameter List for FeIII

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
FeIII participated asMoleculeSum total ofEnzymeSubstrate of an enzymeProduct of an enzymeSubstrate in ReactionProduct in Reaction
No. of occurrences1000013

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.

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

FeIII 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
k1Stuehr_NOS
Accession No. : 12
NOS
Pathway No. : 66
10.4
(s^-1)
0
(s^-1)
--Substrate
FeIII

Product
FeII
Rates from Stuehr et al., 2001, JBC, 276(2):1233-1243. All the rates increased by 2X for every 10 C rise to get it to the cell temp.. (thru personal correspondence) kf -- 10.4

FeIII 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
1arg_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.
2kFStuehr_NOS
Accession No. : 12
NOS
Pathway No. : 66
20
(s^-1)
0
(s^-1)
--Substrate
FeIII_NO

Product
FeIII
  Rates from Stuehr et al., JBC, 2001; 276(2): 1233-1243., rates increased by 2X for every 10 C rise, to get it ot the cell temp..(thru personal correspondence) kf -- 20
3k10Stuehr_NOS
Accession No. : 12
NOS
Pathway No. : 66
1.2
(uM^-1 s^-1)
0
(uM^-1 s^-1)
--Substrate
FeII_NO
O2

Product
FeIII
NO3
  The rates were obtained from Stuehr et al, JBC 2001, 276(2): 1233-1243.... The rates are multiplied by 2X for every 10 C rise, to get it to the cell temp. kf -- 0.0052



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