![Human IL-12 R beta 1/CD212 Protein (ILR-HM112)](http://kactusbio.com/cdn/shop/products/20210526121233_c540b5ca-1e80-4fa4-9347-67e031d487ca.png?v=1666382018&width=1080)
- Express System: HEK293
- Product Tag: C-His
- Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
- Activity: The affinity constant of 98.1nM as determined in SPR assay (Biacore T200). See testing image for detail.
- Amino Acid Range: Cys24-Glu540