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DNA affinity purification followed by sequencing (DAP-seq) profiles transcription factor (TF) binding sites in vitro, in which recombinant TF captures the genomic fragments with TF binding sites. Here, I describe the preparation of pre-PCR DNA-seq libraries for 96 TFs, including the expression and purification of recombinant TF, the affinity purification of TF binding fragments, and the sequencing-ready library preparation. Using this method, up to 96 DAP-seq libraries can be prepared in 2 days.

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In Vitro Genome-Wide Identification of Transcription Factor Binding Sites

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  • 发表日期：

    2025年

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  • Taiji Kawakatsu

摘要

DNA affinity purification followed by sequencing (DAP-seq) profiles transcription factor (TF) binding sites in vitro, in which recombinant TF captures the genomic fragments with TF binding sites. Here, I describe the preparation of pre-PCR DNA-seq libraries for 96 TFs, including the expression and purification of recombinant TF, the affinity purification of TF binding fragments, and the sequencing-ready library preparation. Using this method, up to 96 DAP-seq libraries can be prepared in 2 days.