TEM images by a mixture of Hel13-5 or its relating peptides and acidic phospholipids. Hel 13-5 in PC/PG (3/1), (A), and in PC/PS (3/1), (B). Different lipid/peptide ratio (L/P) of Hel 13-5 in PC/PG (3/1): L/P (10/1), (C-1); L/P (5/1), (C-2);and L/P (3/1), (C-3). L9GHel 13-5 in PC/PG (3/1), (D). Hel 13-5R in PC/PG (3/1), (E). Bars are 500 nm in A, C, and D; 200 nm in B; and 667 nm in E.