Phospho-RNA polymerase II CTD repeat YSPTSPS (Ser5) Monoclonal Antibody 100 ug. Phospho-RNA polymerase II CTD repeat YSPTSPS (Ser5) Monoclonal Antibody, Clone: CTD 8A7, Host: Mouse, Species reactivity: Human, Yeast, Isotype: IgM, Synonym: RNA Polymerase II, Application: IF, WB, Size: 100 ug