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Molecule Parameter List for TnW | 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 |
Accession and Pathway Details | |
| Accession Name | Accession No. | Accession Type | Pathway Link | | Chemotaxis | 57 | Pathway |
Chemotaxis | Reactions feeding into TnWa, TaWA and TWA are scaled by 10 Binding reaction of Tar with Aspartate has been scaled by 10 Phosphotransfer from CheAp to CheY has Kb = 0.263/sec/uM instead of 0.2/sec/uM used in BCT1.1.
All remaining parameters are from the .BCT files for BCT1.1 provided by Matthew Levin from the Computational Biology Group in the Department of Zoology at the University of Cambridge.
The June 2003 version of the BCT program is BCT4.3 and is available at the computational biology site of the Zoology department at Cambridge University.
Citation: Bray et al. Mol.Biol.Cell (1993) 4(5): 469-482. |
TnW acting as a Molecule in Chemotaxis Network
| Name | Accession Name | Pathway Name | Initial Conc.
(uM) | Volume
(fL) | Buffered | | TnW | Chemotaxis
Accession No. : 57 | Chemotaxis
Pathway No. : 228 | 0 | 1.41 | No | | Nickel bound Tar and CheW complex TnW = 0.0 uM As per Signal 8 in 1SIG_B.BCT provided by Matthew Levin Cell volume = 1.41e-15 L Table 1 pp.474 Bray et al 1993, Mol.Biol.Cell 4: 469-482 |
TnW acting as a Substrate in a reaction in Chemotaxis 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 | | Binding[5] | Chemotaxis
Accession No. : 57 | Chemotaxis
Pathway No. : 228 | 4
(uM^-1 s^-1) | 10
(s^-1) | Kd(bf) = 2.5(uM) | - | Substrate
CheA
TnW
Product
TnWA
| | Binding of TnW and CheA Kf = 4*10e+05 /sec/M = 0.4 /sec/uM Kb = 1 /sec Bray et al 1993, Mol.Biol.Cell 4: 469-482 Table 3 pp.476 Reaction Scheme 6 Footnote states that ligands do not have any effect on the formation of complexes so same rates are used for Aspartate or Ni associated tar complexes. |
TnW acting as a Product in a reaction in Chemotaxis 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 | | Complexing[1] | Chemotaxis
Accession No. : 57 | Chemotaxis
Pathway No. : 228 | 0.1
(uM^-1 s^-1) | 1
(s^-1) | Kd(bf) = 10.0003(uM) | - | Substrate
CheW
Tn
Product
TnW
| | Complex formation of Ni bound Tar and CheW Kf = 1 * 10e5 /sec/M = 0.1 /sec/uM Kb = 1 /sec Bray et al 1993, Mol.Biol.Cell 4: 469-482; Table 3 pp.476 Reaction Scheme 3 Footnote states that ligands do not have any effect on the formation of the Tar-Chew-CheA complex so same rates are used for Aspartate or Ni associated Tar complexes. |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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