GO biological process

meiotic DNA double-strand break formation, DNA metabolic process, chiasma assembly, DNA topological change, DNA catabolic process, endonucleolytic, pollen development, meiotic DNA double-strand break processing, embryo sac development, seed development, meiotic cell cycle

GO cellular component

nucleus, nuclear chromosome, chromosome

GO molecular function

DNA topoisomerase type II (ATP-hydrolyzing) activity, protein binding, DNA binding, endodeoxyribonuclease activity, producing 3'-phosphomonoesters