Detection of R-Loop Structures by Immunofluorescence Using the S9.6 Monoclonal Antibody. PMID: 35704182 BRCA2 prevents R-loop accumulation and associates with TREX-2 mRNA export factor PCID2. PMID: 24896180 Structural basis of R-loop recognition by the S9.6 monoclonal antibody. PMID: 35347133 Modi...