1FWO:
reference: A peptide derived from the C-terminal part of a plant cysteine protease folds into a stack of two beta-hairpins, a scaffold present in the emerging family of granulin-like growth factors., Tolkatchev D, Xu P, Ni F, J Pept Res 2001 Mar;57(3):227-33. PMID: 11298924

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