This family of proteins are Gloverin-like. Gloverin is a 13.8kDa inducible antibacterial insect protein which inhibits the synthesis of vital outer membrane proteins leading to a permeable outer membrane. Gloverin contains a large number of glycine residues [1].

1: Functional analysis of four Gloverin-like genes in the silkworm, Bombyx mori. Kawaoka S, Katsuma S, Daimon T, Isono R, Omuro N, Mita K, Shimada T; Arch Insect Biochem Physiol. 2008;67:87-96. PMID:18076111