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HT-SELEX of recombinant C2H2 zinc finger domains of Sall4

ABSTRACT: HT-SELEX of recombinant C2H2 zinc finger domains of Sall4

PROVIDER: PRJEB51212 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR8972350.fastq.gz	Fastqsanger.gz
	ERR8972360.fastq.gz	Fastqsanger.gz
	ERR8972370.fastq.gz	Fastqsanger.gz
	ERR8972380.fastq.gz	Fastqsanger.gz
	ERR8972351.fastq.gz	Fastqsanger.gz

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HT-SELEX of recombinant C2H2 zinc finger domains of Sall4

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HT-SELEX of recombinant C2H2 zinc finger domains of Sall4

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HT-SELEX of recombinant C2H2 zinc finger domain of Sall4

Project description:HT-SELEX of recombinant C2H2 zinc finger domain of Sall4

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Evaluation of DNA-binding preferences of C2H2 zinc finger domains by PBM

Project description:The largest and most diverse class of eukaryotic transcription factors contain Cys2-His2 zinc fingers (C2H2-ZFs), each of which typically binds a DNA nucleotide triplet within a larger binding site. Frequent recombination and diversification of their DNA-contacting residues suggests that these zinc fingers play a prevalent role in adaptive evolution. Very little is known about the function and evolution of the vast majority of C2H2-ZFs, including whether they even bind DNA. Using the bacterial 1-hybrid (B1H) system, we determined DNA-binding motifs for thousands of individual natural C2H2-ZFs, and correlated them with C2H2-ZF specificity residues. The data reported here includes results of protein-binding microarray (PBM) assays for 146 of these natural C2H2-ZFs, performed in order to validate B1H assays and to explore the DNA-binding specificity of C2H2-ZFs. Protein binding microarray (PBM) experiments were performed for a set of 185 variants of mouse Egr1 in which the third zinc finger was replaced by different C2H2-ZFs from different organisms. Briefly, the PBMs involved binding GST-tagged DNA-binding proteins to two double-stranded 44K Agilent microarrays, each containing a different DeBruijn sequence design, in order to determine their sequence preferences. Details of the PBM protocol are described in Berger et al., Nature Biotechnology 2006. Among the 185 variants examined, 146 variants yielded motifs in PBMs, which are included here.

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