Structural and biological characterization of one antibacterial acylpolyamine isolated from the hemocytes of the spider Acanthocurria gomesiana - Pereira, Lourivaldo dos Santos; Silva Jr., Pedro Ismael da; Miranda, Maria Terêsa Machini de; Almeida, Igor Correia de; Naoki, Hideo; Konno, Katsuhiro; Daffre, Sirlei (Biochemical and Biophysical Research Communications, 2007)