| CPC G01N 33/57496 (2013.01) [C07K 16/22 (2013.01); C07K 16/30 (2013.01); C07K 2317/20 (2013.01); C07K 2317/34 (2013.01); C07K 2317/92 (2013.01); G01N 2333/485 (2013.01)] | 25 Claims | 
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               1. An antibody or antibody fragment capable of specifically binding to amino acids 148-169 of SEQ ID NO: 1, wherein the antibody or antibody fragment comprises a heavy chain and a light chain, wherein the heavy chain comprises the following hypervariable regions (HVRs): 
              (a) an HVR-H1 comprising SEQ ID NO: 2; 
                (b) an HVR-H2 comprising SEQ ID NO: 3; and 
                (c) an HVR-H3 comprising SEQ ID NO: 4; and 
              wherein the light chain comprises the following HVRs: 
            (h) an HVR-L1 comprising SEQ ID NO: 9; 
                (i) an HVR-L2 comprising SEQ ID NO: 10; and 
                (j) an HVR-L3 comprising SEQ ID NO: 11. 
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