This family of insect proteins are each about 100 amino acids long and have 6 conserved cysteine residues. They all have a predicted signal peptide and are probably excreted. The function of the proteins is unknown [1].

1: Molecular characterization of the 71E late puff in Drosophila melanogaster reveals a family of novel genes. Wright LG, Chen T, Thummel CS, Guild GM; J Mol Biol 1996;255:387-400. PMID:8568884