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The BAF and PBAF complexes coexist in all cell types. Although BAF and PBAF share many subunits (green), BAF exclusively contains ARID1A/B, BAF45B/C/D, BRD9, SS18, and BLC7A/B/C (purple), whereas PBAF exclusively contains PBRM1, ARID2, BAF45A, and BRD7 (red). PBRM1 is the most distinguishing feature of PBAF with no homolog in BAF.
