beginDocumentation()
doc ///
    Key
    	oneSiteModificationD
	1:(oneSiteModificationD)
    Headline
    	an example for chemical reaction motif
    Description
      Text
        This is a one-site modification cycle with two competing kinases and two competing phosphatases.
      Example
        oneSiteModificationD()
      Text
        To rename species, use @TO (substitute, ReactionNetwork, List) @.		
    ///