PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23598996-3 2013 In Saccharomyces cerevisiae, double-strand breaks (DSBs) introduced by Ntg1 at the mitochondrial replication origin ori5 induce homologous DNA pairing by Mhr1, and reactive oxygen species (ROS) enhance production of DSBs. dsbs 51-55 bifunctional N-glycosylase/AP lyase NTG1 Saccharomyces cerevisiae S288C 71-75