Antibody drug conjugates (adcs) having enzymatically cleavable groups

An antibody or antigen-binding antibody fragment that binds to CXCR5, comprising a variable heavy chain comprising the variable CDR1 sequence of the heavy chain as shown in SEQ ID NO:

• 92, the variable CDR2 sequence of the heavy chain as shown in SEQ ID NO:
• 93, and the variable CDR3 sequence of the heavy chain as shown in SEQ ID NO:
• 94;
• and a variable light chain comprising the variable CDR1 sequence of the light chain as shown in SEQ ID NO:
• 96, the variable CDR2 sequence of the light chain as shown in SEQ ID NO:
• 97, and the variable CDR3 sequence of the light chain as shown in SEQ ID NO:
• 98.