The essential cofactor TRRAP recruits the histone acetyltransferase hGCN5 to c-Myc

被引:357
作者
McMahon, SB [1 ]
Wood, MA [1 ]
Cole, MD [1 ]
机构
[1] Princeton Univ, Dept Mol Biol, Princeton, NJ 08544 USA
关键词
D O I
10.1128/MCB.20.2.556-562.2000
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The c-Myc protein functions as a transcription factor to facilitate oncogenic transformation; however, the biochemical and genetic pathways leading to transformation remain undefined. We demonstrate here that the recently described c-Myc cofactor TRRAP recruits histone acetylase activity, which is catalyzed by the human GCN5 protein. Since c-Myc function is inhibited by recruitment of histone deacetylase activity through Mad family proteins, these opposing biochemical activities are likely to be responsible for the antagonistic biological effects of c-Myc and Mad on target genes and ultimately on cellular transformation.
引用
收藏
页码:556 / 562
页数:7
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