FIELD: biochemistry.
SUBSTANCE: invention relates to the field of biochemistry, in particular to an antibody or its antigen-binding fragment specifically binding to HBsAg. A nucleic acid molecule encoding the specified antibody; an expression vector and a host cell containing the specified molecule; a pharmaceutical composition containing the specified antibody are disclosed. A method for producing the specified antibody, a method for the prevention or treatment using the specified antibody, and the use of the specified antibody are also disclosed.
EFFECT: invention makes it possible to effectively treat diseases associated with HBsAg.
26 cl, 27 dwg, 31 tbl, 12 ex
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