[Term] id: PR:000035633 name: alpha-1-antichymotrypsin isoform 1, initiator methionine removed acetylated 1 def: "An alpha-1-antichymotrypsin isoform 1 that has had the initiator methionine removed and has been post-translationally modified to include an acetylated residue at the N terminus. Example: UniProtKB:P01011-1, 2-423, Glu-2, MOD:00053." [PRO:CNA] comment: Category=modification. synonym: "SERPINA3/iso:1/InitMet-/Ac:1" EXACT PRO-short-label [PRO:DNx] is_a: PR:000035627 ! alpha-1-antichymotrypsin isoform 1 relationship: has_part MOD:00053 ! N-acetyl-L-glutamic acid relationship: lacks_part PR:000021937 ! initiator methionine