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. 1980 Aug;35(2):572-4.
doi: 10.1128/JVI.35.2.572-574.1980.

Iodination of hepatitis A virus reveals a fourth structural polypeptide

A G Coulepis, S A Locarnini, I D Gust

Iodination of hepatitis A virus reveals a fourth structural polypeptide

A G Coulepis et al. J Virol. 1980 Aug.

Abstract

Hepatitis A virus present in the feces of two patients with naturally acquired hepatitis A was purified, radiolabeled with 125I, and analyzed by discontinuous sodium dodecyl sulfate-polyacrylamide gel electrophoresis. In addition to the three structural polypeptides previously reported, a fourth polypeptide with a molecular weight of 14,000 was detected and shown to be a component of hepatitis A virus by immune precipitation techniques. Intact virions were also shown to sediment at 160S on sucrose gradients. These findings are consistent with hepatitis A virus being an enterovirus within the family Picornaviridae.

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