Antifungal protein consists of five antiparallel beta strands which are highly twisted creating a beta barrel stabilised by four internal disulphide bridges [1]. A cationic site adjacent to a hydrophobic stretch on the protein surface may constitute a phospholipid binding site [1].

1: NMR solution structure of the antifungal protein from Aspergillus giganteus: evidence for cysteine pairing isomerism. Campos-Olivas R, Bruix M, Santoro J, Lacadena J, Martinez del Pozo A, Gavilanes JG, Rico M; Biochemistry. 1995;34:3009-3021. PMID:7893713