Very weak.
Ubx[+]/Ubx51 is a suppressor | partially of lethal | pharate adult stage phenotype of Hsap\HTTQ138.UAS.mRFP1, Scer\GAL4elav-C155
One copy of Ubx51 partially rescues the lethality seen when Hsap\HTTQ138.Scer\UAS.T:Disc\RFP-mRFP is expressed under the control of Scer\GAL4elav-C155 using the P{UAS-HTT.Q138.mRFP}A insertion line.
Bacher, Oct. 1965.