The histone H4 acetyltransferase MOF uses a C2HC zinc finger for substrate recognition

被引：75

作者：

Akhtar, A ^{[1
]}

Becker, PB ^{[1
]}

机构：

[1] Univ Munich, Adolf Butenandt Inst, Munich, Germany

来源：

EMBO REPORTS | 2001年 / 2卷 / 02期

关键词：

D O I：

10.1093/embo-reports/kve022

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：

Site-specific acetylation of histone H4 by MOF is central to establishing the hyperactive male X chromosome in Drosophila. MOF belongs to the MYST family of histone acetyltransferases (HATs) characterized by an unusual C2HC-type zinc finger close to their HAT domains. The function of these rare zinc fingers is unknown. We found that this domain is essential for HAT activity, in addition to the established catalytic domain. MOF uses its zinc finger to contact the globular part of the nucleosome as well as the histone H4 N-terminal tail substrate. Point mutations that leave the zinc-finger structure intact nevertheless abolish its interaction with the nucleosome. Our data document a novel role of the C2HC-type finger in nucleosome binding and HAT activity.

引用

页码：113 / 118

页数：6

共 27 条

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