abstract |
A CD19-binding antibody or its D19-binding antigen-binding fragment comprising: a VH region comprising the amino acid sequence of SEQ ID NO: 11, and a VL region comprising the amino acid sequence of SEQ ID NO : 13; or a VH region comprising the amino acid sequence of SEQ ID NO: 11, and a VL region comprising the amino acid sequence of SEQ ID NO: 14; or a VH region comprising the amino acid sequence of SEQ ID NO: 11, and a VL region comprising the amino acid sequence of SEQ ID NO: 16; or a VH region comprising the amino acid sequence of SEQ ID NO: 12, and a VL region comprising the amino acid sequence of SEQ ID NO: 15; or a VH region comprising the amino acid sequence of SEQ ID NO: 12, and a VL region comprising the amino acid sequence of SEQ ID NO: 17. |