[Term]
id: PR:000045158
name: histone H2B type 3-B, initiator methionine removed acetylated 2 (human)
def: "A histone H2B type 3-B (human) that has had the initiator methionine removed and that has been acetylated at the position equivalent to Lys-21 of the amino acid sequence represented by UniProtKB:Q8N257. UniProtKB:Q8N257, 2-126, Lys-21, MOD:00064." [PRO:DAN, PRO:JPB, PRO:JR, PMID:16283522, PMID:18552846, HIstome_var_Hs:Histone_H2B_type_3-B]
comment: Category=organism-modification.
synonym: "hH2BC26/InitMet-/Ac:2" EXACT PRO-short-label [PRO:DNx]
synonym: "PRO_0000071837, Lys-21, MOD:00064" EXACT PRO-proteoform-ftid [PRO:DNx]
synonym: "UniProtKB:Q8N257, 2-126, Lys-21, MOD:00064" EXACT PRO-proteoform-std [PRO:DNx]
synonym: "H2B_type_3-B:H2BK20ac" BROAD [HIstome_ptm_Hs:H2BK20ac]
xref: Reactome:R-HSA-4568683 "PR:000045158 located_in GO:0005654"
is_a: PR:Q8N257 ! histone H2B type 3-B (human)
relationship: has_part MOD:00064 ! N6-acetyl-L-lysine
relationship: lacks_part PR:000021937 ! initiator methionine
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens