[Term] id: PR:000035404 name: mitotic checkpoint serine/threonine-protein kinase BUB1 phosphorylated 3 (frog) def: "A mitotic checkpoint serine/threonine-protein kinase BUB1 phosphorylated 3 in frog. UniProtKB:Q6GPC9, Thr-493/Thr-650, MOD:00047|Ser-500/Ser-634, MOD:00046." [PRO:KER, PMID:15241477] comment: Category=organism-modification. Phosphorylation at Ser-500 is the most critical for checkpoint function. This form is observed during spindle disruption (nocodazole). Kinase=("MAPK"; PR:000000019; Thr-493/Thr-650/Ser-500/Ser-634). synonym: "frog-BUB1/Phos:3" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q6GPC9, Thr-493/Thr-650, MOD:00047|Ser-500/Ser-634, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] synonym: "xBUB1 hyperphosphorylated" RELATED [] intersection_of: PR:000035403 ! mitotic checkpoint serine/threonine-protein kinase BUB1 phosphorylated 3 intersection_of: only_in_taxon NCBITaxon:8355 ! Xenopus laevis relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: has_part MOD:00047 ! O-phospho-L-threonine