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Molecule Parameter List for CaM | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| CaM participated as | Molecule | Sum total of | Enzyme | Substrate of an enzyme | Product of an enzyme | Substrate in Reaction | Product in Reaction |
| No. of occurrences | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
Accession and Pathway Details |
| Accession Name | Accession No. | Accession Type | Pathway Link |
IP3metabolism | 24 | Network | MIPP, CaMKII, CaM, PKC, IP3-3K, Gq, PLCbeta, 134_dephos, 145_dephos, IP4-system, IHP-system, 1345_dephos, CaRegulation, Othmer-Tang-model |
| This network models an oscillatory calcium response to GPCR mediated PLCbeta activation, alongwith detailed InsP3 metabolism in the neuron. It differs from the NonOsc_Ca_IP3metabolism network in the CaRegulation module and in InsP3 receptor kinetics. Details of InsP3 receptor kinetics have been adapted from the Othmer-Tang model for oscillatory Ca dynamics. Mishra J, Bhalla US. Biophys J. 2002 Sep;83(3):1298-316. | |||
CaM acting as a Molecule in Osc_Ca_IP3metabolism Network
| Name | Accession Name | Pathway Name | Initial Conc. (uM) | Volume (fL) | Buffered | |
| CaM | IP3metabolism Accession No. : 24 | CaM Pathway No. : 122 | 20 | 1000 | No | |
| LOT of this present in the cell: upto 1% of total protein mass. (Alberts et al, Mol Biol of the Cell, Garland Publishers) says 25 uM. Meyer et al, Science 256; 1992: 1199-1202 refer to studies saying it is comparable to CaMK levels. (Kakiuchi et al, J Biochem 92; 1982; 1041-48) say conc in cerebral cortex & cerebellum homogenates: 20-30uM Lower conc in other tissues: lung, adrenal gland, liver, kidney, spleen = 6,5,5,3,2 uM respectively | ||||||
CaM acting as a Substrate in a reaction in Osc_Ca_IP3metabolism 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 |
| CaM-TR2-bind-Ca | IP3metabolism Accession No. : 24 | CaM Pathway No. : 122 | 72 (uM^-2 s^-1) | 72 (s^-1) | Kd(af) = 1(uM) | - | Substrate Ca Ca CaM Product CaM-TR2-Ca2 |
| We use the Martin et al 1985 Eur J Biochem 151(3):543-550 rates here, plus the Drabikowski and Brzeska 1982 JBC 257(19):11584-11590 binding consts. All are scaled by 3X to cell temperature. kf = 2e-10 kb = 72 Stemmer & Klee 1994 Biochem 33:6859-6866 have values of : K1=.9, K2=1.1. Assume 1.0uM for both | |||||||