SMEK1 Antibody - Detection of Human PPP4R3 Alpha by Immunohistochemistry and Immunofluorescence. Sample: FFPE sections of human colon carcinoma (left) and breast carcinoma (right). Antibody: Affinity purified rabbit anti-PPP4R3 Alpha used at a dilution of 1:200 (1 ug/ml) and 1:80 (2.5 ug/ml). Detection: DAB and Red-fluorescent Goat anti-Rabbit IgG-heavy and light chain, cross-adsorbed Antibody DyLight 594 Conjugated used at a dilution of 1:100.