Application Notes: This protein carries a human IgG1 Fc tag at the C-terminus. The protein has a calculated MW of 51.5 kDa. The protein migrates as 65-70 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation
SDS-PAGE analysis of Human IL-21 R protein
Human IL-21, Tag Free (Cat. No. orb752328) immobilized on CM5 Chip can bind Human IL-21 R, Fc Tag (Cat. No. orb257628) with an affinity constant of 0.412 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
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