PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20150422-3 2010 Here, we demonstrate that phosphorylation of Sae2 Ser-267 by cyclin-dependent kinase 1 (Cdk1) is required to initiate meiotic DSB resection by allowing Spo11 removal from DSB ends. Serine 50-53 DNA topoisomerase (ATP-hydrolyzing) Saccharomyces cerevisiae S288C 152-157