[Term] id: PR:000071605 name: brain-specific serine protease 4 phosphorylated 1 (human) def: "A brain-specific serine protease 4 (human) that has been phosphorylated on the residue at the position equivalent to Ser-283 of the amino acid sequence represented by UniProtKB:Q9GZN4. UniProtKB:Q9GZN4, Ser-283, MOD:00046." [PRO:DNx, IEDB_epitope:912119] comment: Category=organism-modification. synonym: "hPRSS22/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q9GZN4, Ser-283, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q9GZN4 ! brain-specific serine protease 4 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens