Identification of a single amino acid residue in the capsid protein VP1 of coxsackievirus B4 that determines the virulent phenotype.

Abstract excerpt

To identify the molecular determinants of virulence for coxsackievirus B4, a panel of recombinant, chimeric viruses were constructed from cDNA clones of a virulent virus, CB4-V, and a nonvirulent virus, CB4-P. Initial studies mapped a major determinant of virulence to the 5' end of the viral genome, which contained the 5' untranslated and the P1 regions (A. Ramsingh, A. Hixson, B. Duceman, and J. Slack, J. Virol....

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