Immunogen sequence: KREVGVQSSE RNQDRKESSP NSRAKDKFLD QERSNKMRNM AKDKERNQEK PSNSESSLGA KHRLTEEGQE KGKEQERPPE AVSKFAKRNN EETVM Highest antigen sequence identity to the following orthologs: Mouse - 68%, Rat - 66%. RNA-binding protein that mediates pre-mRNA