wondering...."(~_~)??"

Bismillahirrahmanirrahim......

Hmmm.....just wondering//~~..why some researchers were successfull in producing high amount of IFN-gamma, but not alpha...whats the different between these two?,they r same glycoprotein, just differ in type.is it just due to the type make it totally different in the expression??....continue search.....search...search.....(~_~)""....hmm~~~,need this info to convince people