Immunogen sequence: VVADLFDQTF GPPNGSVKDD RDLQIESLKR EVEMLRSELE KIKLEAQRYI AQLKSQVNAL EGELEEQRKQ KQKALVDNEQ LR Highest antigen sequence identity to the following orthologs: Mouse - 89%, Rat - 89%. Huntingtin disease, a neurodegenerate disease, is caused