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DMAP1 (DNA methyltransferase 1 associated protein 1) has been identified as a subunit of several distinct protein complexes involved in the repression and activation of transcription. It has been observed to interact with histone deacetylase 2 (HDAC2) as well as histone acetyltransferase (HAT) indicating a role in nucleosome modification to regulate transcription. DMAP1 can act independently to repress transcription in association with DNA methyltransferase 1. Alternate names for DMAP1 include DNMT1-associated protein 1, DNMAP1, DMAP1, KIAA1425, EAF2, SWC4, DNMAP1, DNMTAP1, FLJ11543, and DKFZp686L09142.