Human IL-12BIL-12A Heterodimer Protein, His TagFlag Tag (IL2-H4210) is expressed from human 293 cells (HEK293). It contains AA Ile 2 3 - Ser 328 (IL-12B) and Arg 23 - Ser 219 (IL-12A) (Accession P29460-1 (IL12B) and P29459-1 (IL12A)). 1 * 20 µG