[Term] id: PR:000046681 name: cyclin-dependent kinase inhibitor 1, initiator methionine removed phosphorylated 3 (human) def: "A cyclin-dependent kinase inhibitor 1 (human) that has had the initiator methionine removed and has been post-translationally modified to include phosphothreonine at position 145 of the amino acid sequence represented by UniProtKB:P38936. UniProtKB:P38936, 2-164, Thr-145, MOD:00047." [PRO:DNx, Reactome:R-HSA-198614] comment: Category=organism-modification. synonym: "hCDKN1A/InitMet-/Phos:3" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000190079, Thr-145, MOD:00047" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P38936, 2-164, Thr-145, MOD:00047" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-198614 "PR:000046681 located_in GO:0005829" is_a: PR:P38936 ! cyclin-dependent kinase inhibitor 1 (human) relationship: has_part MOD:00047 ! O-phospho-L-threonine relationship: lacks_part PR:000021937 ! initiator methionine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens