4GH4:
reference: Perturbations in the surface structure of A22 Iraq foot-and-mouth disease virus accompanying coupled changes in host cell specificity and antigenicity., Curry S, Fry E, Blakemore W, Abu-Ghazaleh R, Jackson T, King A, Lea S, Newman J, Rowlands D, Stuart D, Structure. 1996 Feb 15;4(2):135-45. PMID: 8805520

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