- BP004261: Human IL-11R alpha Protein with the C-His Tag - Source: The recombinant Human IL-11R alpha Protein, (amino acids Ser24-Ala370) fused with a His tag at the C-terminus, was produced in HEK 293 cells. 
 Activity: The affinity constant of 1.86 nM as determined in SPR assay (Biacore T200).
 Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
 Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.