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. 1994 Dec;68(12):8443–8446. doi: 10.1128/jvi.68.12.8443-8446.1994

A putative nucleoside triphosphate-binding domain in the nonstructural protein of B19 parvovirus is required for cytotoxicity.

M Momoeda 1, S Wong 1, M Kawase 1, N S Young 1, S Kajigaya 1
PMCID: PMC237320  PMID: 7966641

Abstract

Cytotoxicity secondary to B19 parvovirus infection is due to expression of the viral nonstructural protein. Nonstructural proteins of many parvoviruses contain a well-conserved nucleoside triphosphate (NTP)-binding motif, which has been shown to be essential for a variety of protein functions. We show here that cytotoxicity of the B19 parvovirus nonstructural protein was abolished by single mutations of amino acids within the NTP-binding domain, especially within the A motif, implicating NTP-binding in virus-induced cell death.

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Selected References

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