WEHI-539, ከፍተኛ ንጽጽር (ንኡኖ ሞላር) እና ለ BCL-XL መምረጥ እና ጠንካራ በሆነ ሁኔታ ሴሎችን ሊገድል በማድረግ .
I-WEHI-539, inokubambisana kakhulu (subnanomolar) kunye nokukhethwa kwe-BCL-XL kwaye iyabulala ngokuthe kratya iiseli ngokuchithwa ngokukhethekileyo.