Pre-pro-defensins are cleaved in the golgi by undefined proteases which remove the signal peptide (Yang et al. 2004, Pazgier et al. 2006). Subsequently, alpha-defensins are cleaved again to produce the biologically active mature peptide. Beta defensins have much shorter propieces and may be active once the signal peptide is removed. Further N-terminal processing of the mature defensin may yield multiple forms of the same peptide (Pazgier et al. 2006).
Ganz, T
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