Description: The peptide is used to block Anti-CD21 Antibody (#CPA7431) reactivity. Form: Lyophilized powder Gene Symbol: CR2 Alternative Names: C3DR; Complement receptor type 2; Cr2; Complement C3d receptor; Epstein-Barr virus receptor; EBV receptor; CD21Entrez Gene (Human): 1380SwissProt (Human): P20023SwissProt (Mouse) : P19070Purity : >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.