PR:000029911 mitotic checkpoint serine/threonine-protein kinase BUB1 phosphorylated 1 (frog) frog-BUB1/Phos:1|xBUB1 phosphorylated increased capable_of GO:0016301 kinase activity PR:000029917 PMID:11231148 EXP NCBITaxon:8355 UniProtKB:Q98UH3 20120912 PRO:KER Timing=Meiosis I (prophase I, metaphase I, anaphase I, telophase I), Meiosis II (prophase II, metaphase II).