[Term] id: PR:000030180 name: XK-related protein 4 phosphorylated 1 def: "An XK-related protein 4 that has been phosphorylated on the residue at the position equivalent to Ser-87 of the amino acid sequence represented by UniProtKB:Q5GH67. Example: UniProtKB:Q5GH67, Ser-87, MOD:00046." [PRO:HJD, PMID:17114649] comment: Category=modification. Note: Large-scale experiment. synonym: "XKR4/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000017483 ! XK-related protein 4 relationship: has_part MOD:00046 ! O-phospho-L-serine