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CD84 Human Recombinant produced in E. coli is a single polypeptide chain containing 302 amino acids （22-225） and having a molecular mass of 25.4 kDa.

CD83 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 148 amino acids （20-144a.a） and having a molecular mass of 16kDa.