4BED:
reference: Keyhole limpet hemocyanin: 9-A CryoEM structure and molecular model of the KLH1 didecamer reveal the interfaces and intricate topology of the 160 functional units., Gatsogiannis C, Markl J, J Mol Biol. 2009 Jan 23;385(3):963-83. Epub 2008 Nov 5. PMID: 19013468

This OCA Structure page
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