>4a1g_D mol:protein length:152 MITOTIC CHECKPOINT SERINE/THREONINE-PROTEIN KINASE BUB1 GPMDTPENVLQMLEAHMQSYKGNDPLGEWERYIQWVEENFPENKEYLITLLEHLMKEFL DKKKYHNDPRFISYCLKFAEYNSDLHQFFEFLYNHGIGTLSSPLYIAWAGHLEAQGELQ HASAVLQRGIQNQAEPREFLQQQYRLFQTRLTET