Western blot analysis of p53 phosphorylation in untreated (A,D), CK2a1 treated (B,E) and CK2a1 and lambda protein phosphatase (sc-200312A) treated (C,F) p53 fusion proteins. Antibodies tested include p-p53 (Thr 155): sc-17105 (A,B,C) and p53 (Pab 240): sc-99 (D,E,F).