Biotinylated Human IL-23AIL-12B Heterodimer Protein, His,AvitagTag Free (ILB-H82W6) is expressed from human 293 cells (HEK293). It c ontains AA Arg 20 - Pro 189 (IL23A) Ile 23 - Ser 328 (IL12B) (Accession Q9NPF7-1 (IL23A) P29460-1 (IL12B)). 1 * 200 µG