Flow cytometric analysis of HeLa cells, untreated (blue) or treated with Trichostatin A (TSA) #9950 (1 uM, Overnight; green) using Acetyl-Histone H4 (Lys16) (E2B8W) Rabbit mAb. Anti-rabbit IgG (H+L), F(ab')<sub>2</sub> Fragment (Alexa Fluor<sup>®</sup> 488 Conjugate) #4412 was used as a secondary antibody.
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