[Term] id: PR:000037457 name: histone H3, initiator methionine removed trimethylated 1 def: "A histone H3 that has had the initiator methionine removed and has been post-translationally modified to include N6 trimethylation on a residue equivalent to Lys-28 of the amino acid sequence represented by UniProtKB:P68431. Example: UniProtKB:P68431, 2-136, Lys-28, MOD:00083." [PMID:16185088] comment: Category=modification. Requested by=GOC. synonym: "H3(any)/InitMet-/Me3:1" EXACT PRO-short-label [PRO:DAN] synonym: "H3K27me3" EXACT [] is_a: PR:000027594 ! histone H3 relationship: has_part MOD:00083 ! N6,N6,N6-trimethyl-L-lysine relationship: lacks_part PR:000021937 ! initiator methionine