3ZXB:
reference: Structural and Biochemical Characterization of Native and Recombinant Single Insulin-like Growth Factor-Binding Domain Protein (SIBD-1) from the Central American Hunting Spider Cupiennius salei (Ctenidae)., Trachsel C, Widmer C, Kampfer U, Buhr C, Baumann T, Kuhn-Nentwig L, Schurch S, Schaller J, Baumann U, Proteins. 2012 May 24. doi: 10.1002/prot.24119. PMID: 22622866

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