Isolated antigen binding molecules that specifically binds to a molecule comprising an amino acid sequence selected from the group consisting of GSTSGSGKPGSGEGSTKG (SEQ ID NO: 1), GSGKPGSGEG (SEQ ID NO: 2), GKPGSGEG (SEQ ID NO: 3), SGKPGSGE (SEQ ID NO: 499) and KPGSG (SEQ ID NO: 500) are provided. The antigen binding molecules can be used in the methods provided herein.本發明提供一種經分離之抗原結合分子,該抗原結合分子特異性結合包含選自由下列所組成之群組的胺基酸序列之分子:GSTSGSGKPGSGEGSTKG(SEQ ID NO:1)、GSGKPGSGEG(SEQ ID NO:2)、GKPGSGEG(SEQ ID NO:3)、SGKPGSGE(SEQ ID NO:499)及KPGSG(SEQ ID NO:500)。該抗原結合分子可用於本發明提供之方法。