Cecropin (IPR000875)

Short name: Cecropin

Overlapping homologous superfamilies


Family relationships


Cecropins [PMID: 3318666, PMID: 2015623, PMID: 1915368] are potent antibacterial proteins that constitute a main part of the cell-free immunity of insects. Cecropins are small proteins of about 35 amino acid residues active against both Gram-positive and Gram-negative bacteria. They seem to exert a lytic action on bacterial membranes. Cecropins isolated from insects other than Hyalophora cecropia (Cecropia moth) have been given various names; bactericidin, lepidopteran, sarcotoxin, etc. All of these peptides are structurally related.

GO terms

Biological Process

GO:0019731 antibacterial humoral response

Molecular Function

No terms assigned in this category.

Cellular Component

GO:0005576 extracellular region

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.