Immunogen sequence: PSSSQPERLPI GNTIQPSQAA TFMNDAIEKA RKAAELQARI QAQLALKPGL IGNANMVGLA NLHAMGIAPP KVELKDQTKP TPLILDEQ Highest antigen sequence identity to the following orthologs - mouse 100%, rat 100%. The removal of introns from nuclear pre-mRNAs occur