Possesses single-stranded DNA-stimulated ATPase and ATP-dependent DNA helicase (5' to 3') activity. Component of the NuA4 histone acetyltransferase complex which is involved in transcriptional activation of select genes principally by acetylation of nucleosomal histones H4 and H2A. This modification may both alter nucleosome - DNA interactions and promote interaction of the modified histones with other proteins which positively regulate transcription. This complex may be required for the activation of transcriptional programs associated with oncogene and proto-oncogene mediated growth induction, tumor suppressor mediated growth arrest and replicative senescence, apoptosis, and DNA repair. The NuA4 complex ATPase and helicase activities seem to be, at least in part, contributed by the association of RUVBL1 and RUVBL2 with EP400. NuA4 may also play a direct role in DNA repair when recruited to sites of DNA damage. RUVBL2 plays an essential role in oncogenic transformation by MYC and also modulates transcriptional activation by the LEF1/TCF1-CTNNB1 complex. May also inhibit the transcriptional activity of ATF2.
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Protein Aliases: 48 kDa TATA box-binding protein-interacting protein; 48 kDa TBP-interacting protein; 51 kDa erythrocyte cytosolic protein; ECP-51; erythrocyte cytosolic protein, 51-KD; INO80 complex subunit J; p47 protein; Repressing pontin 52; reptin; Reptin 52; reptin52 protein; RuvB (E coli homolog)-like 2; RuvB-like 2; RuvB-like protein 2; RUVBL2 protein; TAP54-beta; TIP49b; TIP60-associated protein 54-beta
Gene Aliases: CGI-46; ECP-51; ECP51; INO80J; mp47; p47; REPTIN; RUVBL2; RVB2; TAP54-beta; TIH2; TIP48; TIP49B