Immunogen sequence: MSRGLPKQKP IEGVKQVIVV ASGKGGVGKS TTAVNLALAL AANDSSKAIG LLDVDVYGPS VPKMMNLKGN PELSQSNLMR PLLNYGIACM SMGFLVEESE PVVWRG Highest antigen sequence identity to the following orthologs: Mouse - 91%, Rat - 92%. Required for the assembly of th