Polypeptides And Antibodies For Treating HBV Infection And Related Diseases

A monoclonal antibody or an antigen binding fragment thereof, wherein the monoclonal antibody is derived from one of the following monoclonal antibodies or is selected from the following antibodies:

• 1) the monoclonal antibody produced by the hybridoma cell line HBs-E6F6, wherein the hybridoma cell line HBs-E6F6 is deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201270;
• 2) the monoclonal antibody produced by the hybridoma cell line HBs-E7G11, wherein the hybridoma cell line HBs-E7G11 is deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201271;
• 3) the monoclonal antibody produced by the hybridoma cell line HBs-G12F5, wherein the hybridoma cell line HBs-G12F5 is deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201272;
• and
• 4) the monoclonal antibody produced by the monoclonal antibody produced by hybridoma cell line HBs-E13C5, wherein the hybridoma cell line HBs-E13C5 is deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201273.

A hybridoma cell line, selected from:

• 1) hybridoma cell line HBs-E6F6, deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201270;
• 2) hybridoma cell line HBs-E7G11, deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201271;
• 3) hybridoma cell line HBs-G12F5, deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201272;
• and
• 4) hybridoma cell line HBs-E13C5, deposited in China Center for Type Culture Collection (CCTCC), with a deposition number of CCTCC NO.C201273.