Active Recombinant Human CD40-L/CD40L/TNFSF5/TRAP/CD40LG Protein is produced by HEK293 cells expression system. The target protein is expressed with sequence (Gly116-Leu261) of human CD40-L/CD40L/TNFSF5/TRAP/CD40LG(Accession NP_000065.1) fused with and