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Homo sapiens

ABSTRACT: RIP-seq for SCML2 and SCML2 mutants in 293T-REx and K562 cells

PROVIDER: PRJNA167642 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1505215.fastq.gz	Fastqsanger.gz
	SRR1505216.fastq.gz	Fastqsanger.gz
	SRR1505217.fastq.gz	Fastqsanger.gz
	SRR1505218.fastq.gz	Fastqsanger.gz
	SRR501063.fastq.gz	Fastqsanger.gz

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Project description:ChIP-seq for SCML2 and SCML2 mutants in 293T-REx and K562 cells

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ChIP-seq and RIP-seq for SCML2 and SCML2 mutants in 293T-REx and K562 cells

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Project description:Polycomb repressive complex-1 (PRC1) is essential for the epigenetic regulation of gene expression. SCML2 is a mammalian homolog of Drosophila SCM, a Polycomb-group protein that associates with PRC1. Here, we show that SCML2A, an SCML2 isoform tightly associated to chromatin, contributes to PRC1 localization and also directly enforces repression of certain Polycomb target genes. SCML2A binds to PRC1 via its SPM domain and interacts with ncRNAs through a novel RNA-binding region (RBR). Targeting of SCML2A to chromatin involves the coordinated action of the MBT domains, RNA binding, and interaction with PRC1 through the SPM domain. Deletion of the RBR reduces the occupancy of SCML2A at target genes and overexpression of a mutant SCML2A lacking the RBR causes defects in PRC1 recruitment. These observations point to a role for ncRNAs in regulating SCML2 function and suggest that SCML2 participates in the epigenetic control of transcription directly and in cooperation with PRC1. This is the RIP-seq part of the study

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