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Reaction List for pathway PP1 (Pathway Number 82) in Accession Synaptic_Network (Accession Number 16) | Entries are grouped according to Pathway Number and they are alternately color coded using  and  color.
Further ordering can be done to the table header.   indicates that ordering is done according to ascending or descending order.
Keq is calculated only for first order reactions.
Kd is calculated only for second order reactions. [nA+nB <->nC or nA<->nC+nD, where n is number and A,B,C,D are molecules] |
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Reaction
Name | Pathway Name /
Pathway No. | Kf | Kb | Kd | tau | Reagents | | 1 | Inact-PP1 | PP1
Pathway No. 82 | 499.98
(uM^-1 s^-1) | 0.1
(s^-1) | Kd(bf) = 0.0002(uM) | - | Substrate:
I1*
PP1-active
Products:
PP1-I1*
| | K inhib = 1nM from Cohen Ann Rev Bioch 1989, 4 nM from Foukes et al Assume 2 nM. kf /kb = 8.333e-4 The Kd used here is 0.2 nM. This is small, but unlikely to matter much as the affinity is so strong that the reaction will be all the way forward in either case. Tau < 1 min for inhibition. Stralfors 1985 Eur J Biochem 149:295-303 fig 8 pg 201. | | 2 | dissoc-PP1-I1 | PP1
Pathway No. 82 | 1
(s^-1) | 0
(uM^-1 s^-1) | - | - | Substrate:
PP1-I1
Products:
PP1-active
I1
| | Assumption is that the affinity of the unphosphorylated form of I1 for PP1 is extremely weak and that the reaction is essentially all the way forward. The tau is fast at 1 sec. |
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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