The large subunit of replication factor C interacts with the histone deacetylase, HDAC1

被引：18

作者：

Anderson, LA ^{[1
]}

Perkins, ND ^{[1
]}

机构：

[1] Univ Dundee, Sch Life Sci, MSI WTB, Div Gene Regulat & Express, Dundee DD1 5EH, Scotland

来源：

JOURNAL OF BIOLOGICAL CHEMISTRY | 2002年 / 277卷 / 33期

关键词：

D O I：

10.1074/jbc.M200513200

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：

Replication factor C (RFC) is a pentameric complex of five distinct subunits that functions as a clamp loader, facilitating the loading of proliferating cell nuclear antigen (PCNA) onto DNA during replication and repair. More recently the large subunit of RFC, RFC (p140), has been found to interact with the retinoblastoma (Rb) tumor suppressor and the CCAAT/enhancer-binding protein a (C/EBPalpha) transcription factor. We now report that RFC (p140) associates with histone deacetylase activity and interacts with histone deacetylase 1 (HDAC1). This complex is functional and when targeted to promoters as a Gal4 fusion, RFC (p140) is a strong, deacetylase-dependent repressor of transcription. Further analysis revealed that RFC (p140) contains two distinct transcriptional repression domains. Moreover, both of these domains interact separately with HDAC1.

引用

页码：29550 / 29554

页数：5

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