UAS regulatory sequences drive expression of the miRNA cluster which contains mir-2a-1, mir-2a-2 and mir-2b-2.
Scer\GAL4sca.PU, miGD11624, mir-2a-1UAS.cluster.cSa, mir-2a-2UAS.cluster.cSa, mir-2b-2UAS.cluster.cSa has lethal phenotype