Immunogen sequence: EDARPVPQGS CQSELHRALE RLAASQSRTH EDLYIIPIPN CDRNGNFHPK QCHPALDGQR GKCWCVDRKT GVKLPGGLEP KGELDCHQLA DSFRE. This gene is a member of the insulin-like growth factor binding protein family and encodes a protein with an IGFBP domain and a