[Term]
id: PR:Q12074
name: spermidine synthase SPE3 (yeast)
def: "A spermidine synthase that is encoded in the genome of yeast." [OMA:Q12074, PANTHER:PTHR11558:SF11, PRO:DNx]
comment: Category=organism-gene.
synonym: "SPE3" RELATED Gene-based [UniProtKB:Q12074]
synonym: "ySRM" EXACT PRO-short-label [PRO:DNx]
synonym: "YPR069C" RELATED Gene-based [UniProtKB:Q12074]
synonym: "YP9499.24C" RELATED Gene-based [UniProtKB:Q12074]
synonym: "SPDSY (yeast)" EXACT [UniProtKB:Q12074]
synonym: "putrescine aminopropyltransferase (yeast)" EXACT [UniProtKB:Q12074]
xref: UniProtKB:Q12074
intersection_of: only_in_taxon NCBITaxon:559292 ! Saccharomyces cerevisiae S288C
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template SGD:S000006273 ! SPE3 (yeast)

[Term]
id: PR:P19623
name: spermidine synthase (human)
def: "A spermidine synthase that is encoded in the genome of human." [PRO:DNx, UniProtKB:P19623]
comment: Category=organism-gene.
synonym: "SRM" RELATED Gene-based [UniProtKB:P19623]
synonym: "SPS1" RELATED Gene-based [UniProtKB:P19623]
synonym: "hSRM" EXACT PRO-short-label [PRO:DNx]
synonym: "SRML1" RELATED Gene-based [UniProtKB:P19623]
synonym: "SPDSY (human)" EXACT [UniProtKB:P19623]
synonym: "putrescine aminopropyltransferase (human)" EXACT [UniProtKB:P19623]
xref: Reactome:R-HSA-351212 "PR:P19623 located_in GO:0005829"
xref: UniProtKB:P19623
intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template HGNC:11296 ! SRM (human)

[Term]
id: PR:Q64674-1
name: spermidine synthase isoform 1 (mouse)
def: "A spermidine synthase isoform 1 that is encoded in the genome of mouse." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "mSRM/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:Q64674-1
intersection_of: only_in_taxon NCBITaxon:10090 ! Mus musculus
intersection_of: PR:000039014 ! spermidine synthase isoform 1

[Term]
id: PR:Q9XY92
name: spermidine synthase (Dictyostelium discoideum)
def: "A spermidine synthase that is encoded in the genome of Dictyostelium discoideum." [OMA:Q9XY92, PANTHER:PTHR11558:SF11, PRO:DNx]
comment: Category=organism-gene.
synonym: "spsA" RELATED Gene-based [UniProtKB:Q9XY92]
synonym: "Dicty-SRM" EXACT PRO-short-label [PRO:DNx]
synonym: "DDB_G0268630" RELATED Gene-based [UniProtKB:Q9XY92]
synonym: "SPDSY (Dictyostelium discoideum)" EXACT [UniProtKB:Q9XY92]
synonym: "putrescine aminopropyltransferase (Dictyostelium discoideum)" EXACT [UniProtKB:Q9XY92]
xref: UniProtKB:Q9XY92
intersection_of: only_in_taxon NCBITaxon:44689 ! Dictyostelium discoideum
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template dictyBase:DDB_G0268630 ! spsA (Dictyostelium discoideum)

[Term]
id: PR:P19623-1
name: spermidine synthase isoform 1 (human)
def: "A spermidine synthase isoform 1 that is encoded in the genome of human." [PRO:DNx]
comment: Category=organism-sequence.
synonym: "hSRM/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:P19623-1
intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens
intersection_of: PR:000039014 ! spermidine synthase isoform 1

[Term]
id: PR:Q94BN2
name: spermine synthase (Arabidopsis thaliana)
def: "A spermidine synthase that is encoded in the genome of Arabidopsis thaliana." [PRO:DNx]
comment: Category=organism-gene.
synonym: "SPMS" RELATED Gene-based [UniProtKB:Q94BN2]
synonym: "SPDS3" RELATED Gene-based [UniProtKB:Q94BN2]
synonym: "At-SRM" EXACT PRO-short-label [PRO:DNx]
synonym: "MFH8.5" RELATED Gene-based [UniProtKB:Q94BN2]
synonym: "At5g53120" RELATED Gene-based [UniProtKB:Q94BN2]
synonym: "SPMSY (Arabidopsis thaliana)" EXACT [UniProtKB:Q94BN2]
synonym: "spermidine aminopropyltransferase (Arabidopsis thaliana)" EXACT [UniProtKB:Q94BN2]
xref: UniProtKB:Q94BN2
intersection_of: only_in_taxon NCBITaxon:3702 ! Arabidopsis thaliana
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template Araport:AT5G53120 ! SPMS (Arabidopsis thaliana)

[Term]
id: PR:000015621
name: spermidine synthase
def: "A protein that is a translation product of the human SRM gene or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=gene.
synonym: "SRM" EXACT PRO-short-label [PRO:DNx]
synonym: "SPS1" RELATED Gene-based []
synonym: "SPDSY" EXACT []
synonym: "SRML1" RELATED Gene-based []
synonym: "putrescine aminopropyltransferase" EXACT []
is_a: PR:000000001 ! protein

[Term]
id: PR:P09158
name: polyamine aminopropyltransferase (Escherichia coli K-12)
def: "A spermidine synthase that is encoded in the genome of Escherichia coli K-12." [OMA:P09158, PRO:DNx]
comment: Category=organism-gene.
synonym: "speE" RELATED Gene-based [UniProtKB:P09158]
synonym: "b0121" RELATED Gene-based [UniProtKB:P09158]
synonym: "Ec-SRM" EXACT PRO-short-label [PRO:DNx]
synonym: "JW0117" RELATED Gene-based [UniProtKB:P09158]
synonym: "PAPT (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "SPDS (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "SPDSY (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "spermine synthase (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "spermidine synthase (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "thermospermine synthase (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "cadaverine aminopropyltransferase (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "putrescine aminopropyltransferase (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
synonym: "spermidine aminopropyltransferase (Escherichia coli K-12)" EXACT [UniProtKB:P09158]
xref: UniProtKB:P09158
intersection_of: only_in_taxon NCBITaxon:83333 ! Escherichia coli K-12
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template EcoGene:EG10963 ! speE (Escherichia coli K-12)

[Term]
id: PR:Q94BN2-1
name: spermine synthase isoform 1 (Arabidopsis thaliana)
def: "A spermine synthase (Arabidopsis thaliana) 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:Q94BN2-1." [PRO:DNx, UniProtKB:Q94BN2]
comment: Category=organism-sequence.
synonym: "At-SRM/iso:1" EXACT PRO-short-label [PRO:DNx]
xref: UniProtKB:Q94BN2-1
is_a: PR:Q94BN2 ! spermine synthase (Arabidopsis thaliana)
relationship: only_in_taxon NCBITaxon:3702 ! Arabidopsis thaliana

[Term]
id: PR:Q09741
name: spermidine synthase (Schizosaccharomyces pombe 972h-)
def: "A spermidine synthase that is encoded in the genome of Schizosaccharomyces pombe 972h-." [OMA:Q09741, PANTHER:PTHR11558:SF11, PRO:DNx]
comment: Category=organism-gene.
synonym: "SPBC12C2.07c" RELATED Gene-based [UniProtKB:Q09741]
synonym: "Spom972h-SRM" EXACT PRO-short-label [PRO:DNx]
synonym: "SPDSY (Schizosaccharomyces pombe 972h-)" EXACT [UniProtKB:Q09741]
synonym: "putrescine aminopropyltransferase (Schizosaccharomyces pombe 972h-)" EXACT [UniProtKB:Q09741]
xref: UniProtKB:Q09741
intersection_of: only_in_taxon NCBITaxon:284812 ! Schizosaccharomyces pombe 972h-
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template PomBase:SPBC12C2.07c ! SPBC12C2.07c (Schizosaccharomyces pombe)

[Term]
id: PR:Q64674
name: spermidine synthase (mouse)
def: "A spermidine synthase that is encoded in the genome of mouse." [OMA:Q64674, PRO:DNx]
comment: Category=organism-gene.
synonym: "Srm" RELATED Gene-based [UniProtKB:Q64674]
synonym: "mSRM" EXACT PRO-short-label [PRO:DNx]
synonym: "SPDSY (mouse)" EXACT [UniProtKB:Q64674]
synonym: "putrescine aminopropyltransferase (mouse)" EXACT [UniProtKB:Q64674]
xref: UniProtKB:Q64674
intersection_of: only_in_taxon NCBITaxon:10090 ! Mus musculus
intersection_of: PR:000015621 ! spermidine synthase
relationship: has_gene_template MGI:102690 ! Srm (mouse)

[Term]
id: PR:000039014
name: spermidine synthase isoform 1
def: "A spermidine 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:P19623-1 or a 1:1 ortholog thereof." [PRO:DNx]
comment: Category=sequence.
synonym: "SRM/iso:1" EXACT PRO-short-label [PRO:DNx]
is_a: PR:000015621 ! spermidine synthase