Description: The peptide is used to block Anti-Rpb1 CTD (pS1619) Antibody (#CPA3292) reactivity. Form: Lyophilized powder Gene Symbol: POLR2A Alternative Names: POLR2; DNA-directed RNA polymerase II subunit RPB1; RNA polymerase II subunit B1; DNA-directed RNA polymerase II subunit A; DNA-directed RNA polymerase III largest subunit; RNA-directed RNA polymerase II subunit RPB1Entrez Gene (Human): 5430SwissProt (Human): P24928SwissProt (Mouse) : P08775Purity : >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.