The first three of eleven transmembrane segments are replaced with an insertion consisting of mini-white and Scer\GAL4, which is out-of-frame and therefore not expressed. Position of deletion endpoints on reference sequence determined from reported primer sequences.
Tmem631/Tmem632 is rescued by Scer\GAL4QUAS.cBa/Tmem63UAS.cLa/Ncra\QFTmc.3.0