Ixodidin, a novel antimicrobial peptide from the hemocytes of the cattle tick Boophilus microplus with inhibitory activity against serine proteinases - Fogaça, Andréa Cristina; Almeida, Igor Correia de; Eberlin, Marcos N.; Tanaka, Aparecida S.; Bulet, Philippe; Daffre, Sirlei (Peptides, 2006)