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Molecule List for pathway PLA2 (Pathway Number 920) | | Name | Initial Conc. (uM) | Volume (fL) | Buffered | | 1 | APC | 30.0003 | 125.7 | Yes | | | arachodonylphosphatidylcholine is the favoured substrate from Wijkander and Sundler, JBC 202 pp 873-880, 1991. Their assay used 30 uM substrate, which is what the kinetics in this model are based on. For the later model we should locate a more realistic value for APC. | | 2 | DAG-Ca-PLA2* | 0 | 125.7 | No | | 3 | PIP2-Ca-PLA2* | 0 | 125.7 | No | | 4 | PIP2-PLA2* | 0 | 125.7 | No | | 5 | PLA2* | 0 | 125.7 | No | | 6 | PLA2*-Ca | 0 | 125.7 | No | | | Phosphorylated form of PLA2. Still need to hook it up using kinases. PKA: Wightman et al JBC 257 pp6650 1982 PKC: Many refs, eg Gronich et al JBC 263 pp 16645, 1988 but see Lin etal MAPK: Lin et al, Cell 72 pp 269, 1993. Show 3x with MAPK but not PKC alone Do not know if there is a Ca requirement for active phosphorylated state. | | 7 | PLA2-Ca* | 0 | 125.7 | No | | 8 | PLA2-cytosolic | 0.4 | 125.7 | No | | | Calculated cytosolic was 20 nm from Wijkander and Sundler However, Leslie and Channon use about 400 nM. Need to confirm, but this is the value I use here. Another recalc of W&S gives 1uM |
Pathway Details Molecule List Enzyme List Reaction List
| Database compilation and code copyright (C) 2022, Upinder S. Bhalla and NCBS/TIFR
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