[Term]
id: PR:P97355
name: spermine synthase (mouse)
def: "A spermine synthase that is encoded in the genome of mouse." [OMA:P97355, PRO:DNx]
comment: Category=organism-gene.
synonym: "Sms" RELATED Gene-based [UniProtKB:P97355]
synonym: "mSMS" EXACT PRO-short-label [PRO:DNx]
synonym: "SPMSY (mouse)" EXACT [UniProtKB:P97355]
synonym: "spermidine aminopropyltransferase (mouse)" EXACT [UniProtKB:P97355]
xref: UniProtKB:P97355
intersection_of: only_in_taxon NCBITaxon:10090 ! Mus musculus
intersection_of: PR:000015301 ! spermine synthase
relationship: has_gene_template MGI:109490 ! Sms (mouse)

[Term]
id: PR:000039712
name: spermine synthase isoform 1
def: "A spermine synthase that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:P52788-1 or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=sequence.
synonym: "SMS/iso:1" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000015301 ! spermine synthase

[Term]
id: PR:000015301
name: spermine synthase
def: "A protein that is a translation product of the human SMS gene or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=gene.
synonym: "SMS" EXACT PRO-short-label [PRO:DNx]
synonym: "SPMSY" EXACT []
synonym: "spermidine aminopropyltransferase" EXACT []
is_a: PR:000000001 ! protein

[Term]
id: PR:P52788-1
name: spermine synthase isoform 1 (human)
def: "A spermine synthase isoform 1 that is encoded in the genome of human." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "hSMS/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P52788-1
intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens
intersection_of: PR:000039712 ! spermine synthase isoform 1

[Term]
id: PR:P52788-2
name: spermine synthase isoform h2 (human)
def: "A spermine synthase (human) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:P52788-2." [PRO:DNx, UniProtKB:P52788]
comment: Category=organism-sequence.
synonym: "hSMS/iso:h2" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P52788-2
is_a: PR:P52788 ! spermine synthase (human)
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens

[Term]
id: PR:P52788
name: spermine synthase (human)
def: "A spermine synthase that is encoded in the genome of human." [PRO:DNx, UniProtKB:P52788]
comment: Category=organism-gene.
synonym: "SMS" RELATED Gene-based [UniProtKB:P52788]
synonym: "hSMS" EXACT PRO-short-label [PRO:DNx]
synonym: "SPMSY (human)" EXACT [UniProtKB:P52788]
synonym: "spermidine aminopropyltransferase (human)" EXACT [UniProtKB:P52788]
xref: UniProtKB:P52788
intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens
intersection_of: PR:000015301 ! spermine synthase
relationship: has_gene_template HGNC:11123 ! SMS (human)

[Term]
id: PR:000021515
name: spermine synthase, initiator methionine removed form
def: "A spermine synthase that has had the initiator methionine removed." [PRO:DNx]
comment: Category=modification.
synonym: "SMS/InitMet-" EXACT PRO-short-label [PRO:DNx]
intersection_of: PR:000015301 ! spermine synthase
intersection_of: lacks_part PR:000021937 ! initiator methionine

[Term]
id: PR:P97355-1
name: spermine synthase isoform 1 (mouse)
def: "A spermine synthase isoform 1 that is encoded in the genome of mouse." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "mSMS/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P97355-1
intersection_of: only_in_taxon NCBITaxon:10090 ! Mus musculus
intersection_of: PR:000039712 ! spermine synthase isoform 1

[Term]
id: PR:000049301
name: spermine synthase, initiator methionine removed form (human)
def: "A spermine synthase (human) that has had the initiator methionine removed. UniProtKB:P52788, 2-366." [PRO:DNx, Reactome:R-HSA-351206]
comment: Category=organism-modification.
synonym: "hSMS/InitMet-" EXACT PRO-short-label [PRO:DNx]
synonym: "PRO_0000156538" EXACT PRO-proteoform-ftid [PRO:DNx]
synonym: "UniProtKB:P52788, 2-366" EXACT PRO-proteoform-std [PRO:DNx]
xref: Reactome:R-HSA-351206 "PR:000049301 located_in GO:0005829"
intersection_of: lacks_part PR:000021937 ! initiator methionine
intersection_of: PR:P52788 ! spermine synthase (human)
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens