Human IL-2, premium grade(IL2-H5215) is expressed from human 293 cells (HEK293). It contains AA Ala 21 - Thr 153 (Accession # P60568-1 ). Predicted N-terminus: Ala 21 Human IL-2, premium grade (IL2-H5215), designed for preclinical stage, has the same 1 * 50 µG