Binds to bacterial lipopolysaccharides (LPS) and has antibacterial activity. Acts via neutrophil N-formyl peptide receptors to enhance the release of CXCL2. Expressed in testis, spleen, stomach, and intestine. Very low expression found in heart, lung and skeletal muscle. No expression in brain, kidney or liver. Proteolytically cleaved by cathepsin CTSG. Belongs to the cathelicidin family.