2BSD:
reference: Lactococcal bacteriophage p2 receptor-binding protein structure suggests a common ancestor gene with bacterial and mammalian viruses., Spinelli S, Desmyter A, Verrips CT, de Haard HJ, Moineau S, Cambillau C, Nat Struct Mol Biol. 2006 Jan;13(1):85-9. Epub 2005 Dec 4. PMID: 16327804

This OCA Structure page
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