Detection of Human Phospho XRCC1 (S518/T519/T523)  by Immunofluorescence.  Sample: FFPE section of human breast carcinoma.  Antibody: Affinity purified rabbit anti-Phospho XRCC1 (S518/T519/T523) (Cat. No. IHC-00115) used at a dilution of 1:100.  Detection: Red-fluorescent Alexa Fluor 555 goat anti-rabbit IgG (Invitrogen) used at a dilution of 1:500.