has part has part realizes has_specified_input has_specified_output inheres in function ChIP-seq assay cross linking DNA sequence data chromatin immunoprecipitation with exonuclease sequencing assay A ChIP-seq assay which uses immunoprecipitation to isolate protein bound DNA followed by an exonuclease step to degrade DNA that is not protein bound to provide greater resolution of the DNA binding site sonicator specific enzymatic cleavage