Immunogen sequence: ACGVYTPRCG QGLRCYPHPG SELPLQALVM GEGTCEKRRD AEYGASPEQV ADNGDDHSEG GLVENHVDST MNMLGGGGSA GRKPLKSGMK ELAVFREKVT E; Positive Samples: LO2, HeLa, SW480. IGFBP2 (insulin-like growth factor binding protein 2) is a member of the ISGBP family