twoSiteModificationF -- an example for chemical reaction motif

Description

A two-site phosphorylation system where phosphorylation is catalyzed by the same kniase at both sites but dephosphorylation is catalyzed by different phosphateases. It assumes sequential (de)phosphorylation.

i1 : twoSiteModificationF()

o1 = S_0+E-->X_1
     X_1-->S_0+E
     X_1-->E+S_1
     E+S_1-->X_2
     X_2-->E+S_1
     X_2-->E+S_2
     S_1+F_1-->Y_1
     Y_1-->S_1+F_1
     Y_1-->S_0+F_1
     S_2+F_2-->Y_2
     Y_2-->S_2+F_2
     Y_2-->S_1+F_2

o1 : ReactionNetwork

To rename species, use substitute(ReactionNetwork,List).

Ways to use twoSiteModificationF :

twoSiteModificationF()

For the programmer

The object twoSiteModificationF is a method function.