600bp from the 5' end of roX1 and the last 600bp derived from the 3' end of Dpse\roX1.
lncRNA:roX1::Dpse\roX1Δ39pseudo.Hsp83 is a suppressor of lethal phenotype of Df(1)52/lncRNA:roX1MB710
The presence of roX1::Dpse\roX1Δ39pseudo.Hsp83 rescues roX1MB710 Df(1)52 male viability.