US Patent 11186615 Hepatitis C virus E1/E2 heterodimers and methods of producing same

The present disclosure provides affinity tagged heterodimeric polypeptides comprising a hepatitis C virus (HCV) E1 polypeptide and an HCV E2 polypeptide, where one or both of the E1 and E2 polypeptides comprises an affinity tag. The present disclosure provides a method of producing an affinity tagged E1/E2 heterodimer of the present disclosure. The present disclosure provides methods of producing untagged HCV E1/E2 heterodimers. The present disclosure provides HCV E1/E2 heterodimers, compositions comprising same, and methods of inducing an immune response to HCV.