Immunogen sequence: GGPPGFGSGP PGLGSAPGHL GGPPAFGPGP GPGPGPGPIH IGGPPGFASS SGKPGPTVIK VQNMPFTVSI DEILDFFYGY QVIPGSVCLK YNEKGMPTGE AMVAFESRDE ATAAVIDLND RPIGSRKVKL VLG. This gene encodes a protein that contains several RNA-binding motifs, potential transm