[Term] id: PR:000030021 name: receptor-binding cancer antigen expressed on SiSo cells phosphorylated 1 def: "A receptor-binding cancer antigen expressed on SiSo cells that has been phosphorylated on the residue at the position equivalent to Ser-36 of the amino acid sequence represented by UniProtKB:Q9D0V7. Example: UniProtKB:Q9D0V7, Ser-36, MOD:00046." [PRO:HJD, PMID:17114649] comment: Category=modification. Note: Large-scale experiment. synonym: "EBAG9/Phos:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000006866 ! receptor-binding cancer antigen expressed on SiSo cells relationship: has_part MOD:00046 ! O-phospho-L-serine