[Term] id: PR:000035502 name: spindle assembly checkpoint component MAD3 phosphorylated 2 def: "A spindle assembly checkpoint component MAD3 that has been phosphorylated during spindle checkpoint activation on residues equivalent to Ser-303 and Ser-337 of the amino acid sequence represented by UniProtKB:P47074. Example: UniProtKB:P47074, Ser-303/Ser-337, MOD:00046." [PRO:KER, PMID:17504936] comment: Category=modification. synonym: "MAD3/Phos:2" EXACT PRO-short-label [PRO:DNx] is_a: PR:000035499 ! spindle assembly checkpoint component MAD3 relationship: has_part MOD:00046 ! O-phospho-L-serine