Immunogen sequence: PDVLENKCGY TLCIYGRDML PGEDVVTAVE TNIRKSRRHI FILTPQITHN KEFAYEQEVA LHCALIQNDA KVILIEMEAL SELDMLQAEA LQDSLQHLMK VQGTIKWRED HIANKRSLNS KFWKHVRYQM PVPSKIPRKA SSLTPL. IL-33R, also known as ST2, is a receptor for IL-33. It is a member of th