[Term] id: PR:000045010 name: histone H2A type 3, initiator methionine removed phosphorylated 1 (human) def: "A histone H2A type 3 (human) that has had the initiator methionine removed and that has been phosphorylated on the residue at the position equivalent to Ser-2 of the amino acid sequence represented by UniProtKB:Q7L7L0. UniProtKB:Q7L7L0, 2-130, Ser-2, MOD:00046." [HIstome_var_Hs:Histone_H2A_type_3, PMID:15010469, PRO:DAN, PRO:JPB, PRO:JR] comment: Category=organism-modification. synonym: "H2A_type_3:H2AS1ph" BROAD [HIstome_ptm_Hs:H2AS1ph] synonym: "hH2AC25/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000230201, Ser-2, MOD:00046" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:Q7L7L0, 2-130, Ser-2, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:Q7L7L0 ! histone H2A type 3 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: lacks_part PR:000021937 ! initiator methionine