Antibacterial peptide mostly active against Gram-positive bacteria. Hemolymph. Expressed 30 minutes after infection and remained present through to 21 days. Expressed in white or callow pupae during metamorphosis, but no expression was seen in larvae. By bacterial infection. There are two defensin C isoforms, C1 and C2 (shown here). Belongs to the invertebrate defensin family. Type 1 subfamily.