CARVALHO, A. O. ; SOUZA FILHO, G. A. ; FERREIRA, B.S. ; BRANCO, A.T. ; Okorokova-Façanha, AL ; GOMES, V.M. . Cloning and characterization of a cDNA encoding a cowpea seed defensin and analysis of its expression. Protein and Peptide Letters, v. 13, p. 1029-1036, 2006.