ATHPCAT2/HAC4 (HISTONE ACETYLTRANSFERASE OF THE CBP FAMILY 4); histone acetyltransferase. Identical to Histone acetyltransferase HAC4 (HAC4) [Arabidopsis Thaliana] (GB:Q9LG11;GB:Q8LRK3;GB:Q8LRK4;GB:Q94EW2;GB:Q9SGS6); similar to HAC1 (P300/CBP ACETYLTRANSFERASE-RELATED PROTEIN 2 GENE), H3/H4 histone acetyltransferase/ transcription cofactor [Arabidopsis thaliana] (TAIR:AT1G79000.1); similar to HAC12 (HISTONE ACETYLTRANSFERASE OF THE CBP FAMILY 12), H3/H4 histone acetyltransferase/ transcription cofactor [Arabidopsis thaliana] (TAIR:AT1G16710.1); similar to ATHPCAT4/HAC5 (HISTONE ACETYLTRANSFERASE OF THE CBP FAMILY 5), H3/H4 histone acetyltran