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Molecule Parameter List for IP_4pase | 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 | NonOsc_Ca_
IP3metabolism | 23 | Network |
MIPP, CaMKII, CaM,
PKC, IP3-3K, CaRegulation,
Gq, PLCbeta, 134_dephos,
145_dephos, IP4-system, IHP-system,
1345_dephos | | This network models detailed metabolism of Ins(145)P3, integrated with GPCR mediated PLCbeta activation and Ca release by the InsP3 receptor in the neuron. The calcium response is non-oscillatory. Mishra J, Bhalla US. Biophys J. 2002 Sep;83(3):1298-316. |
IP_4pase acting as a Molecule in NonOsc_Ca_IP3metabolism Network
| Name | Accession Name | Pathway Name | Initial Conc.
(uM) | Volume
(fL) | Buffered | | IP_4pase | NonOsc_Ca_
IP3metabolism
Accession No. : 23 | 134_dephos
Pathway No. : 113 | 0.9 | 1000 | No | | from Norris et al, JBC 269(12); 1994: 8716-20 Enzyme conc increased from 9 nM to 0.9 uM to obtain appreciable enzyme activity has two 4-phosphatase activities: against Ins(134)P3 and Ins(34)P2 respectively |
IP_4pase acting as an Enzyme in NonOsc_Ca_IP3metabolism Network
| | Enzyme Molecule /
Enzyme Activity | Accession Name | Pathway Name | Km (uM) | kcat (s^-1) | Ratio | Enzyme Type | Reagents | | 1 | IP_4pase /
ip3_4pase
| NonOsc_Ca_
IP3metabolism
Accession No. : 23 | 134_dephos
Pathway No. : 113 | 20.0014 | 20 | 4 | explicit E-S complex | Substrate
IP3(134)
Product
IP2(13)
| | | Ins(134)P3 4-phosphatase activity of InsP 4-phosphatase from Norris et al, JBC 269; 1994. Vmax reduced from 55/sec to 20/sec to maintain relative levels of Ins(134)P3 and Ins(13)P2 | | 2 | IP_4pase /
ip2_4pase
| NonOsc_Ca_
IP3metabolism
Accession No. : 23 | 134_dephos
Pathway No. : 113 | 22.9995 | 55 | 4 | explicit E-S complex | Substrate
IP2(34)
Product
IP1(3)
| | | Ins(34)P2 4-phosphatase activity of InsP 4-phosphatase from Norris et al, JBC 269; 1994 |
IP_4pase acting as a Substrate in a reaction in NonOsc_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. |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
This Copyright is applied to ensure that the contents of this database remain freely available. Please see FAQ for details. |
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