To facilitate dissolution in the reaction mixture, {HEAD ~ the enzyme substrate} can be provided in an aqueous solution, {TAIL ~ partially aqueous solution}, or non aqueous stock solution that is miscible with the other components of the reaction mixture 
To facilitate dissolution in the reaction mixture , { HEAD ~ the enzyme substrate } can be provided in an aqueous solution , { TAIL ~ partially aqueous solution } , or non aqueous stock solution that is miscible with the other components of the reaction mixture
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH