Ixekizumab binds to IL-17A
and blocks its action.
Annotated peptide sequences for this antibody are available from its IMGT/mAb-DB record. A protein BLAST search using the variable region of the heavy chain of ixekizumab identifies this as sequence 118 from patent US7838638 [1
]. In this patent binding affinity data for human IL-17 is provided for several antibody clones, but it does not specify which was chosen as ixekizumab, although mAbs 126, 121 and 104 did undergo additional experimental investigations.