Complex sentence: Microtubule associated serine/threonine kinase 2, also known as MAST2, is a human gene which controls TRAF6 and NF-kappaB activity.
Split into simpler sentences: Microtubule associated serine/threonine kinase 2, also known as MAST2, is a human gene. The protein encoded by this gene controls TRAF6 and NF-kappaB activity.