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Structural basis of X chromosome DNA recognition by the MSL2 CXC domain during Drosophila dosage compensation
Zheng, Sanduo1,2; Villa, Raffaella3; Wang, Jia1,2; Feng, Yingang4,5; Wang, Jinfeng6; Becker, Peter B.3; Ye, Keqiong2,7
2014-12-01
发表期刊GENES & DEVELOPMENT
卷号28期号:23页码:2652-2662
摘要The male-specific lethal dosage compensation complex (MSL-DCC) selectively assembles on the X chromosome in Drosophila males and activates gene transcription by twofold through histone acetylation. An MSL recognition element (MRE) sequence motif nucleates the initial MSL association, but how it is recognized remains unknown. Here, we identified the CXC domain of MSL2 specifically recognizing the MRE motif and determined its crystal structure bound to specific and nonspecific DNAs. The CXC domain primarily contacts one strand of DNA duplex and employs a single arginine to directly read out dinucleotide sequences from the minor groove. The arginine is flexible when bound to nonspecific sequences. The core region of the MRE motif harbors two binding sites on opposite strands that can cooperatively recruit a CXC dimer. Specific DNA-binding mutants of MSL2 are impaired in MRE binding and X chromosome localization in vivo. Our results reveal multiple dynamic DNA-binding modes of the CXC domain that target the MSL-DCC to X chromosomes.
文章类型Article
关键词Dosage Compensation Crystal Structure Dna-protein Complex Nonspecific Dna Binding
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1101/gad.250936.114
关键词[WOS]HISTONE ACETYLTRANSFERASE ; SEX-CHROMOSOMES ; RING FINGER ; ROX RNAS ; COMPLEX ; PROTEINS ; MOF ; ASSOCIATION ; ACETYLATION ; RECRUITMENT
收录类别SCI
语种英语
WOS研究方向Cell Biology ; Developmental Biology ; Genetics & Heredity
WOS类目Cell Biology ; Developmental Biology ; Genetics & Heredity
WOS记录号WOS:000345812000008
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6320
专题代谢物组学研究组
作者单位1.Beijing Normal Univ, Dept Biochem & Mol Biol, Coll Life Sci, Beijing 100875, Peoples R China
2.Natl Inst Biol Sci, Beijing 102206, Peoples R China
3.Univ Munich, Mol Biol Unit, Adolf Butenandt Inst, Ctr Integrated Prot Sci, D-80336 Munich, Germany
4.Chinese Acad Sci, Qingdao Inst BioEnergy & Bioproc Technol, Qingdao Engn Lab Single Cell Oil, Qingdao 266101, Shangdong, Peoples R China
5.Chinese Acad Sci, Qingdao Inst BioEnergy & Bioproc Technol, Shandong Prov Key Lab Energy Genet, Qingdao 266101, Shangdong, Peoples R China
6.Chinese Acad Sci, Natl Lab Biomacromol, Beijing 100101, Peoples R China
7.Chinese Acad Sci, Inst Biophys, Key Lab RNA Biol, Beijing 100101, Peoples R China
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Zheng, Sanduo,Villa, Raffaella,Wang, Jia,et al. Structural basis of X chromosome DNA recognition by the MSL2 CXC domain during Drosophila dosage compensation[J]. GENES & DEVELOPMENT,2014,28(23):2652-2662.
APA Zheng, Sanduo.,Villa, Raffaella.,Wang, Jia.,Feng, Yingang.,Wang, Jinfeng.,...&Ye, Keqiong.(2014).Structural basis of X chromosome DNA recognition by the MSL2 CXC domain during Drosophila dosage compensation.GENES & DEVELOPMENT,28(23),2652-2662.
MLA Zheng, Sanduo,et al."Structural basis of X chromosome DNA recognition by the MSL2 CXC domain during Drosophila dosage compensation".GENES & DEVELOPMENT 28.23(2014):2652-2662.
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