Expression of mutant arm (carries the amino acid replacement E163A) tagged with Tag:MYC at the C-terminus is under the control of αTub84B promoter sequences.
armE163A.αTub84B.Tag:MYC rescues arm2a9
armE163A.αTub84B.T:Hsap\MYC rescues lethality of arm2a9/arm2a9.