Fig. 5.
![Fig. 5. (A) Phosphorylation of TOPO II and β in control (C) and RA (R) -treated HL-60 cells. Control and RA-treated cells were metabolically labeled with [32P]-orthophosphoric acid, and cell lysates were immunoprecipitated with serum IID (15) and analyzed by SDS-PAGE. (B) Phosphorimager analysis of TOPO II and β isozyme phosphorylation.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/92/8/10.1182_blood.v92.8.2863/5/blod42020005bx.jpeg?Expires=1735847441&Signature=cSYqF62kw6GWXZhHmZK6V0Sm652Kwf8dsC9oS7B~uiYAUTNOoXkRmTKzBOLy56JedGSnqaOUvUeDk1UrBFOzTRQczKsdRBYdGxaNW1~agvy5tIfj3DKoTz2tVY2IaVTGCxlf7J-jBs17w0znBsCOOVddZjrSAMrqoJfvo~bkx6ED6qQeI2HVHI-qQDAj9nkRm7nfP~5q8b4yjtXWDxmqnp~ZHt7HR1DRBIAKwc01-yexr1Cp7YpgAquMfq9ARYXe3L~HbWmncUvozauA9TPyvmJjrOCBD7aTqfMMT~VLAx2Yqdi41w73Kzn9pdMG4o2UlTUtqSkd8yheSZOlafqP9A__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
(A) Phosphorylation of TOPO II and β in control (C) and RA (R) -treated HL-60 cells. Control and RA-treated cells were metabolically labeled with [32P]-orthophosphoric acid, and cell lysates were immunoprecipitated with serum IID (15) and analyzed by SDS-PAGE. (B) Phosphorimager analysis of TOPO II and β isozyme phosphorylation.
