Peptide CPF-B1: Has antimicrobial activity against Gram-negative bacteria E.coli ATCC 25922 (MIC=5 uM) and multidrug-resistant A.baumannii (MIC=4-8 uM), against Gram-positive bacteria S.aureus ATCC 25923 (MIC=5 uM) and methicillin-resistant S.aureus and against fungus C.albicans ATCC 90028 (MIC=25 uM). Has some hemolytic activity against human erythrocytes at high concentrations. Expressed by the skin glands. Belongs to the gastrin/cholecystokinin family.