[Term]
id: PR:000085877
name: signal transducer and activator of transcription 1-alpha/beta, initiator methionine removed phosphorylated 2 (human)
def: "A signal transducer and activator of transcription 1-alpha/beta (human) that has had the initiator methionine removed and that has been phosphorylated on the residues at the positions equivalent to Tyr-701 and Ser-727 of the amino acid sequence represented by UniProtKB:P42224-1. Example: UniProtKB:P42224-1, 2-750, Tyr-701, MOD:00048|Ser-727, MOD:00046." [PRO:DNx, Reactome:R-HSA-9850842]
comment: Category=organism-modification.
synonym: "hSTAT1/InitMet-/Phos:2" EXACT PRO-short-label [PRO:DNx]
synonym: "p-Y701,S727-STAT1" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9850842]
synonym: "UniProtKB:P42224, 2-750, Tyr-701, MOD:00048|Ser-727, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx]
synonym: "UniProtKB:P42224-1, 2-750, Tyr-701, MOD:00048|Ser-727, MOD:00046" NARROW PRO-proteoform-std [PRO:DNx]
xref: Reactome:R-HSA-9850842 "PR:000085877 located_in GO:0005829"
is_a: PR:P42224 ! signal transducer and activator of transcription 1-alpha/beta (human)
relationship: has_part MOD:00046 ! O-phospho-L-serine
relationship: has_part MOD:00048 ! O4'-phospho-L-tyrosine
relationship: lacks_part PR:000021937 ! initiator methionine
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens