Description：The peptide is used to block Anti-FLAG-tag Antibody reactivity.Form：Lyophilized powderAlternative Names：DDDDK epitope tag; DDDDK epitope tag; DYKDDDDK epitope tag 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.