BGT HAT1 BIG TOP protein HAG1 Acetylates histone H3 and ADA2 proteins in vitro. Acetylates 'Lys-14' of histone H3. Acetylation of histones gives a specific tag for epigenetic transcription activation. Operates in concert with certain DNA-binding transcriptional activators. Acts via the formation of large multiprotein complexes that modify the chromatin (By similarity). 568 MDSHSSHLNAANRSRSSQTPSPSHSASASVTSSLHKRKLAATTAANAAASEDHAPPSSSFPPSSFSADTRDGALTSNDELESISARGADTDSDPDESEDIVVDDDEDEFAPEQDQDSSIRTFTAARLDSSSGVNGSSRNTKLKTESSTVKLESSDGGKDGGSSVVGTGVSGTVGGSSISGLVPKDESVKVLAENFQTSGAYIAREEALKREEQAGRLKFVCYSNDSIDEHMMCLIGLKNIFARQLPNMPKEYIVRLLMDRKHKSVMVLRGNLVVGGITYRPYHSQKFGEIAFCAITADEQVKGYGTRLMNHLKQHARDVDGLTHFLTYADNNAVGYFVKQGFTKEIYLEKDVWHGFIKDYDGGLLMECKIDPKLPYTDLSSMIRQQRKAIDERIRELSNCQNVYPKIEFLKNEAGIPRKIIKVEEIRGLREAGWTPDQWGHTRFKLFNGSADMVTNQKQLNALMRALLKTMQDHADAWPFKEPVDSRDVPDYYDIIKDPIDLKVIAKRVESEQYYVTLDMFVADARRMFNNCRTYNSPDTIYYKCATRLETHFHSKVQAGLQSGAKSQ GCN5 Histone acetyltransferase GCN5 At3g54610 T14E10.180 GCN5_ARATH