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A CELL-SURFACE PROTEIN THAT BINDS AVIAN HEPATITIS-B VIRUS-PARTICLES JOURNAL OF VIROLOGY Kuroki, K., Cheung, R., Marion, P. L., Ganem, D. 1994; 68 (4): 2091-2096

Abstract

We have identified a 180-kDa cellular glycoprotein (gp180) that binds with high affinity to duck hepatitis B virus (DHBV) particles. The protein was detected by coprecipitating labeled duck hepatocyte proteins with virions or recombinant DHBV envelope proteins, using nonneutralizing monoclonal antibodies to the virion envelope. Binding of gp180 requires only the pre-S region of the viral large envelope protein, since recombinant fusion proteins bearing only this region efficiently coprecipitate gp180. The DHBV-gp180 interaction is blocked by two independent neutralizing monoclonal antibodies. The protein is found on both internal and surface membranes of the cell, and the species distribution of gp180 binding activity mirrors the known host range of DHBV infection. Functional gp180 is expressed in a wide variety of tissues in susceptible ducks.

View details for Web of Science ID A1994NA30700007

View details for PubMedID 8138993

View details for PubMedCentralID PMC236683