Summary: Cat.No. : CCL23-190H Product Overview : Recombinant Human CCL23 (AAB51134.1) (Arg22-Asn120), fused with None, was produced in E. coli. Source : E. coli Species : Human Tag : None Predicted N Terminal : Arg 22 Form : Lyophilized from sterile PBS, pH 7.4.Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization.