[Term] id: PR:000045316 name: histone H4, initiator methionine removed dimethylated 1 (human) def: "A histone H4 (human) that has had the initiator methionine removed and that has been dimethylated at the position equivalent to Lys-21 of the amino acid sequence represented by UniProtKB:P62805. UniProtKB:P62805, 2-103, Lys-21, MOD:00084." [HIstome_var_Hs:Histone_H4, PMID:15200950, PRO:DAN, PRO:JPB, PRO:JR] comment: Category=organism-modification. synonym: "H4:H4K20me2" BROAD [HIstome_ptm_Hs:H4K20me2] synonym: "hH4/InitMet-/Me2:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000158320, Lys-21, MOD:00084" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P62805, 2-103, Lys-21, MOD:00084" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-5651652 "PR:000045316 located_in GO:0005654" xref: TDR:12674 is_a: PR:P62805 ! histone H4 (human) relationship: has_part MOD:00084 ! N6,N6-dimethyl-L-lysine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: lacks_part PR:000021937 ! initiator methionine