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Accession Type:
Network
Osc_Ca_
IP3metabolism
MIPP
CaMKII
CaM
PKC
IP3-3K
Gq
PLCbeta
134_dephos
145_dephos
 Molecule
 Enzyme
 Reaction
IP4-system
IHP-system
1345_dephos
CaRegulation
Othmer-Tang-mode
l

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Reaction List for pathway 145_dephos (Pathway Number 166)

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 reactions is not considered.
  Name KfKbKdtauSubstrateProduct
1 4pase-offkf
(s^-1)
0.0021
(uM^-1 s^-1)
Kd(cb) = 0.0001(uM)-ip1_4pase_cmplx
IP1_pase
inositol
  Kf = Vmax for Ins(4)P1 4-phosphatase: Gee et al, Biochem J 249, 1988. Kb adjusted to generate reported basal levels of Ins(4)P1 = 10% of Ins(1)P1 ~ 4uM
2 4pase-onkf
(uM^-1 s^-1)
157.32
(s^-1)
Kd(bf) = 152(uM)-IP1(4)
IP1_pase
ip1_4pase_cmplx
  Rates derived from Ins(4)P1 4-phosphatase Km: Gee et al, Biochem J 249; 1988
3 Ca-inhib-1pasekf
(uM^-1 s^-1)
6
(s^-1)
Kd(bf) = 5.9999(uM)-IP_1pase
Ca
Ca-1pase-cmplx
  Ki from Inhorn & Majerus, BiochemJ 262(33); 1987: 15946-52
4 IP5-inhib-5pasekf
(uM^-1 s^-1)
45
(s^-1)
Kd(bf) = 44.9991(uM)-IP5(13456)
IP_5pase1
IP5-5pase-cmplx
  from Hoer and Oberdisse, Biochem J 278; 1991: 219-224
5 IP6-inhib-5pasekf
(uM^-1 s^-1)
16
(s^-1)
Kd(bf) = 15.9997(uM)-IP6
IP_5pase1
IP6-5pase-inhib
  from Hoer and Oberdisse, Biochem J 278; 1991: 219-224


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