Immunogen sequence: QLIKNGKKIT AFVPNDGCLN FIEENDEVLV AGFGRKGHAV GDIPGVRFKV VKVANVSLLA LYKGKKERPR S Antigen sequence identity: Mouse 100%; Rat 100%. Ribosomes, the organelles that catalyze protein synthesis, consist of a small 40S subunit and a large 60S