[Term]
id: PR:000062662
name: sperm protamine P1, initiator methionine removed phosphorylated 1 (human)
def: "A sperm protamine P1 (human) that has had the initiator methionine removed and that has been phosphorylated on the residue at the position equivalent to Ser-9 of the amino acid sequence represented by UniProtKB:P04553. UniProtKB:P04553, 2-51, Ser-9, MOD:00046." [PRO:DNx, Reactome:R-HSA-9821972]
comment: Category=organism-modification.
synonym: "hPRM1/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx]
synonym: "p-S9-PRM1" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-9821972]
synonym: "UniProtKB:P04553, 2-51, Ser-9, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx]
xref: Reactome:R-HSA-9821972 "PR:000062662 located_in GO:0005654"
is_a: PR:P04553 ! sperm protamine P1 (human)
relationship: has_part MOD:00046 ! O-phospho-L-serine
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens