4U05:
reference: Structural and mutational analysis of a monomeric and dimeric form of a single domain antibody with implications for protein misfolding., George J, Compton JR, Leary DH, Olson MA, Legler PM, Proteins. 2014 Aug 18. doi: 10.1002/prot.24671. PMID: 25136772

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).