begin name
smallbone23
end name

begin reactions
PDH {1.0}$p3g = {1.0}php
PSA {1.0}php = {1.0}pser
PSP {1.0}pser = {1.0}$ser
end reactions

begin rate equations
PDH = (cell*p3g*PDHkcatA*serA)/(PDHKAp3g*(1 + ser/PDHKiAser)*(1 + p3g/PDHKAp3g + php[t]/PDHKAphp))
PSA = (cell*PSAkcatC*serC*php[t])/(PSAKCphp*(1 + php[t]/PSAKCphp + pser[t]/PSAKCpser))
PSP = (cell*PSPkcatB*serB*pser[t])/(PSPKBpser*(1 + ser/PSPKBser + pser[t]/PSPKBpser))
end rate equations

begin parameters
p3g = 2.36
ser = 4.9
serA = 1.15
serB = 0.25
serC = 0.1
PDHkcatA = 0.55
PDHKAp3g = 1.2
PDHKAphp = 0.0032
PDHKiAser = 0.0038
PSAkcatC = 1.75
PSAKCphp = 0.0015
PSAKCpser = 0.0017
PSPkcatB = 1.43
PSPKBpser = 0.0015
PSPKBser = 0.15
cell = 1.0
end parameters

begin initial conditions
php[0] = phpi
pser[0] = pseri
end initial conditions

begin initial values
phpi = 0.6
pseri = 0.09
end initial values

begin assignment rules
end assignment rules

begin function definitions
end function definitions

begin events
end events

begin process annotations
PDH http://identifiers.org/ec-code/1.1.1.95
PSA http://identifiers.org/ec-code/2.6.1.52
PSP http://identifiers.org/ec-code/3.1.3.3
end process annotations

begin species annotations
p3g http://identifiers.org/chebi/CHEBI:58272
php http://identifiers.org/chebi/CHEBI:18110
pser http://identifiers.org/chebi/CHEBI:57524
ser http://identifiers.org/chebi/CHEBI:17115
serA http://identifiers.org/uniprot/P0A9T0
serB http://identifiers.org/uniprot/P0AGB0
serC http://identifiers.org/uniprot/P23721
end species annotations

begin units
end units