[Term] id: PR:000029916 name: mitotic checkpoint serine/threonine-protein kinase BUB1 unphosphorylated form def: "A mitotic checkpoint serine/threonine-protein kinase BUB1 that lacks phosphorylated residues." [PRO:CNA] comment: Category=modification. synonym: "BUB1/PhosRes-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000004854 ! mitotic checkpoint serine/threonine-protein kinase BUB1 intersection_of: lacks_part MOD:00696 ! phosphorylated residue