3IQQ:
reference: The Effects of CapZ Peptide (TRTK-12) Binding to S100B-Ca(2+) as Examined by NMR and X-ray Crystallography., Charpentier TH, Thompson LE, Liriano MA, Varney KM, Wilder PT, Pozharski E, Toth EA, Weber DJ, J Mol Biol. 2010 Jan 4. PMID: 20053360

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