Immunogen sequence: EIEGFPSPPD FILMADCIYY EESLEPLLKT LKDISGFETC IICCYEQRTM GKNPEIEKKY FELLQLDFDF EKIPLEKHDE EYRSEDIHII YIRKK. C14orf138, also named as VCPKMT or METTL21D, is 229 amino acid protein, which belongs to the methyltransferase superfamily. C14o