The following information accompanied stocks donated to the Bloomington Stock Center by Isabel Palacios, University of Cambridge.
P{UAS-Upf2.A}2, P{UAS-Upf2.E801R}2 and P{UAS-Upf2.FVRR}2 are second chromosome insertions.
P{UAS-Upf2.A}3, P{UAS-Upf2.E801R}3 and P{UAS-Upf2.FVRR}3 are third chromosome insertions.