Immunogen sequence: GLRDVDPGEH YILKTLGIKY FSMTEVDRLG IGKVMEETLS YLLGRKKRPI HLSFDVDGLD PSFTPATGTP VVGGLTYREG LYITEEIYKT GLLSGLDIME VNPSLGKTPE EVTRTVNTAV AITL. Arginase-1 (Arg1) is a 35 kDa enzyme converting L-arginine to urea and L-ornithine, which is the