90274-65-0 Ige octapeptide (497-504) Immunoglobin E epsilon chain octapeptide (497-504) L-Phenylalaninamide, L-lysyl-L-threonyl-L-lysylglycyl-L-serylglycyl-L-phenylalanyl- Lys-thr-lys-gly-ser-gly-phe-phenh2