Description：The peptide is used to block Anti-PENK Antibody (#CPA7509) reactivity.Form：Lyophilized powderGene Symbol：PENKAlternative Names：Proenkephalin-A Entrez Gene (Human)： 5179; SwissProt (Human)： P01210; Purity：>85%Directions for Use：Blocking Peptide to the diluted primary antibody in a molar ratio of 10:1 (peptide to antibody) and incubate the mixture at 4°C for overnight or at room temperature for 2 hours.Quality Control：The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry.Storage/Stability：Shipped at 4°C. Store at -20°C for one year.