Immunogen sequence: SFSHPTSCSS SSEIMSVLFF YIMRYKQSDP ENPDNDRFVL AKRLSFVDVA TGWLGQGLGV ACGMAYTGKY FDRASYRVFC LMSDGESS Highest antigen sequence identity to the following orthologs: Mouse - 70%, Rat - 73%. Strong TKTL1 protein expression has been correlated