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Solution structure of Cg-Defm (PDB: 2B68). Cg-Defs display the CSαβ motif also found in defensins from plants, fungi, and invertebrates, which is composed of an α-helix (red) linked to an antiparallel two-stranded β-sheet (blue) by disulfide bridges (yellow). In Cg-Defs, eight cysteines are involved in four disulfide bridges as follows: C1–5C2–6C3–7C4–8.
