UASt regulates expression of a compound mutant of Hsap\UBQLN2, bearing both a clinically validated ALS-associated P497H mutation and a F594A point mutation in its UBA domain to abolish its Ubiquitin association.
The expression of Hsap\UBQLN2P497H.UBA.UAS under the control of Scer\GAL4elav.PLu leads to climbing defects in adults.