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Molecule Parameter List for CaNAB-Ca4 | 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 | AMPAR_traff_
model1 | 60 | Network |
Shared_Object_AMPAR_traff_model1, CaMKII, CaM,
PP1, PP2B, PP1_PSD,
PKA, AC, AMPAR,
AMPAR_memb | | This is the basic model of AMPAR trafficking bistability. It is based on Hayer and Bhalla, PLoS Comput. Biol. 2005. It includes the degradation and turnover of AMPARs. The CaMKII portion of the model is not bistable. |
CaNAB-Ca4 acting as a Molecule in AMPAR_traff_model1 Network
| Name | Accession Name | Pathway Name | Initial Conc.
(uM) | Volume
(fL) | Buffered | | CaNAB-Ca4 | AMPAR_traff_
model1
Accession No. : 60 | PP2B
Pathway No. : 248 | 0 | 0.09 | No | | |
CaNAB-Ca4 acting as an Enzyme in AMPAR_traff_model1 Network
| | Enzyme Molecule /
Enzyme Activity | Accession Name | Pathway Name | Km (uM) | kcat (s^-1) | Ratio | Enzyme Type | Reagents | | 1 | CaNAB-Ca4 /
dephosph_
inhib1_noCaM
| AMPAR_traff_
model1
Accession No. : 60 | PP2B
Pathway No. : 248 | 4.97079 | 0.034 | 4 | explicit E-S complex | Substrate
I1*
Product
I1
| | | The rates here are so slow I do not know if we should even bother with this enz reacn. These numbers are from Liu and Storm. Other refs suggest that the Km stays the same but the Vmax goes to 10% of the CaM stim levels. Prev: k1=2.2e-9, k2 = 0.0052, k3 = 0.0013 New : k1=5.7e-8, k2=.136, k3=.034 | | 2 | CaNAB-Ca4 /
dephosph_
inhib1_noCaM_
PSD
| AMPAR_traff_
model1
Accession No. : 60 | PP2B
Pathway No. : 248 | 4.97071 | 0.034 | 4 | explicit E-S complex | Substrate
I1*
Product
I1
| | | The rates here are so slow I do not know if we should even bother with this enz reacn. These numbers are from Liu and Storm. Other refs suggest that the Km stays the same but the Vmax goes to 10% of the CaM stim levels. Prev: k1=2.2e-9, k2 = 0.0052, k3 = 0.0013 New : k1=5.7e-8, k2=.136, k3=.034 |
CaNAB-Ca4 acting as a Substrate in a reaction in AMPAR_traff_model1 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. |
CaNAB-Ca4 acting as a Product in a reaction in AMPAR_traff_model1 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 | Ca-bind-CaNAB-Ca
2 | AMPAR_traff_
model1
Accession No. : 60 | PP2B
Pathway No. : 248 | 3.6001
(uM^-2 s^-1) | 1
(s^-1) | Kd(af) = 0.527(uM) | - | Substrate
Ca
Ca
CaNAB-Ca2
Product
CaNAB-Ca4
| | This process is probably much more complicated and involves CaM. However, as I can't find detailed info I am bundling this into a single step. Based on Steemer and Klee pg 6863, the Kact is 0.5 uM. kf/kb = 1/(0.5 * 6e5)^2 = 1.11e-11 |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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