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Entry version 156 (08 May 2019)
Sequence version 1 (01 Nov 1996)
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Protein

Spermidine synthase

Gene

SPE3

Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Status
Reviewed-Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Protein inferred from homologyi <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: spermidine biosynthesis

This protein is involved in step 1 of the subpathway that synthesizes spermidine from putrescine.
Proteins known to be involved in this subpathway in this organism are:
  1. Spermidine synthase (SPE3)
This subpathway is part of the pathway spermidine biosynthesis, which is itself part of Amine and polyamine biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes spermidine from putrescine, the pathway spermidine biosynthesis and in Amine and polyamine biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei44S-adenosylmethioninamineBy similarity1
Binding sitei74PutrescineBy similarity1
Binding sitei75S-adenosylmethioninamineBy similarity1
Binding sitei99S-adenosylmethioninamineBy similarity1
Binding sitei119S-adenosylmethioninamineBy similarity1
<p>This subsection of the ‘Function’ section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei168Proton acceptorBy similarity1
Binding sitei168S-adenosylmethioninamineBy similarity1
Binding sitei236PutrescineBy similarity1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

  • spermidine synthase activity Source: SGD

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionTransferase
Biological processPolyamine biosynthesis, Spermidine biosynthesis

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
MetaCyc:YPR069C-MONOMER
YEAST:YPR069C-MONOMER

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-SCE-351202 Metabolism of polyamines

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...
UniPathwayi
UPA00248;UER00314

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Spermidine synthase (EC:2.5.1.16)
Short name:
SPDSY
Alternative name(s):
Putrescine aminopropyltransferase
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:SPE3
Ordered Locus Names:YPR069C
ORF Names:YP9499.24C
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiSaccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri559292 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaSaccharomycotinaSaccharomycetesSaccharomycetalesSaccharomycetaceaeSaccharomyces
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000002311 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome XVI

Organism-specific databases

Eukaryotic Pathogen Database Resources

More...
EuPathDBi
FungiDB:YPR069C

Saccharomyces Genome Database

More...
SGDi
S000006273 SPE3

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001564621 – 293Spermidine synthaseAdd BLAST293

Proteomic databases

MaxQB - The MaxQuant DataBase

More...
MaxQBi
Q12074

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q12074

PRoteomics IDEntifications database

More...
PRIDEi
Q12074

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
36241, 317 interactors

Database of interacting proteins

More...
DIPi
DIP-6618N

Protein interaction database and analysis system

More...
IntActi
Q12074, 5 interactors

Molecular INTeraction database

More...
MINTi
Q12074

STRING: functional protein association networks

More...
STRINGi
4932.YPR069C

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q12074

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini12 – 248PABSAdd BLAST237

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni150 – 151S-adenosylmethioninamine bindingBy similarity2
Regioni168 – 171Putrescine bindingBy similarity4

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Phylogenomic databases

Ensembl GeneTree

More...
GeneTreei
ENSGT00870000136521

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000256147

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q12074

KEGG Orthology (KO)

More...
KOi
K00797

Identification of Orthologs from Complete Genome Data

More...
OMAi
LWPGQSF

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.30.140.10, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_00198 Spermidine_synth, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR030374 PABS
IPR030373 PABS_CS
IPR029063 SAM-dependent_MTases
IPR001045 Spermi_synthase
IPR030668 Spermi_synthase_euk
IPR035246 Spermidine_synt_N
IPR037163 Spermidine_synt_N_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF17284 Spermine_synt_N, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF000502 Spermidine_synth, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF53335 SSF53335, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00417 speE, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS01330 PABS_1, 1 hit
PS51006 PABS_2, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

Q12074-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAQEITHPTI VDGWFREISD TMWPGQAMTL KVEKVLHHEK SKYQDVLIFK
60 70 80 90 100
STTYGNVLVL DNVIQATERD EFAYQEMIAH LALNSHPNPK KVLVIGGGDG
110 120 130 140 150
GVLREVVKHD SVEEAWLCDI DEAVIRLSKE YLPEMAASYS HPKVKTHIGD
160 170 180 190 200
GFQFLRDYQN TFDVIITDSS DPEGPAETLF QKEYFQLLNS ALTEKGVITT
210 220 230 240 250
QAESMWIHLP IIKDLKKACS EVFPVAEYSF VTIPTYPTGT IGFMVCSKDK
260 270 280 290
TCNVKKPLRE ISDEKEAELY RYYNKKIHEA SFVLPTWAAK ELN
Length:293
Mass (Da):33,324
Last modified:November 1, 1996 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i5B1B361E084ED09F
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
U27519 Genomic DNA Translation: AAC17191.1
Z71255 Genomic DNA Translation: CAA94977.1
Z49219 Genomic DNA Translation: CAA89186.1
U51033 Genomic DNA Translation: AAB68120.1
BK006949 Genomic DNA Translation: DAA11489.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S54090

NCBI Reference Sequences

More...
RefSeqi
NP_015394.1, NM_001184166.1

Genome annotation databases

Ensembl fungal genome annotation project

More...
EnsemblFungii
YPR069C_mRNA; YPR069C_mRNA; YPR069C

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
856182

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
sce:YPR069C

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U27519 Genomic DNA Translation: AAC17191.1
Z71255 Genomic DNA Translation: CAA94977.1
Z49219 Genomic DNA Translation: CAA89186.1
U51033 Genomic DNA Translation: AAB68120.1
BK006949 Genomic DNA Translation: DAA11489.1
PIRiS54090
RefSeqiNP_015394.1, NM_001184166.1

3D structure databases

SMRiQ12074
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi36241, 317 interactors
DIPiDIP-6618N
IntActiQ12074, 5 interactors
MINTiQ12074
STRINGi4932.YPR069C

Proteomic databases

MaxQBiQ12074
PaxDbiQ12074
PRIDEiQ12074

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblFungiiYPR069C_mRNA; YPR069C_mRNA; YPR069C
GeneIDi856182
KEGGisce:YPR069C

Organism-specific databases

EuPathDBiFungiDB:YPR069C
SGDiS000006273 SPE3

Phylogenomic databases

GeneTreeiENSGT00870000136521
HOGENOMiHOG000256147
InParanoidiQ12074
KOiK00797
OMAiLWPGQSF

Enzyme and pathway databases

UniPathwayi
UPA00248;UER00314

BioCyciMetaCyc:YPR069C-MONOMER
YEAST:YPR069C-MONOMER
ReactomeiR-SCE-351202 Metabolism of polyamines

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q12074

Family and domain databases

Gene3Di2.30.140.10, 1 hit
HAMAPiMF_00198 Spermidine_synth, 1 hit
InterProiView protein in InterPro
IPR030374 PABS
IPR030373 PABS_CS
IPR029063 SAM-dependent_MTases
IPR001045 Spermi_synthase
IPR030668 Spermi_synthase_euk
IPR035246 Spermidine_synt_N
IPR037163 Spermidine_synt_N_sf
PfamiView protein in Pfam
PF17284 Spermine_synt_N, 1 hit
PIRSFiPIRSF000502 Spermidine_synth, 1 hit
SUPFAMiSSF53335 SSF53335, 1 hit
TIGRFAMsiTIGR00417 speE, 1 hit
PROSITEiView protein in PROSITE
PS01330 PABS_1, 1 hit
PS51006 PABS_2, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiSPEE_YEAST
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q12074
Secondary accession number(s): D6W473
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: November 1, 1996
Last modified: May 8, 2019
This is version 156 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Yeast
    Yeast (Saccharomyces cerevisiae): entries, gene names and cross-references to SGD
  2. SIMILARITY comments
    Index of protein domains and families
  3. Yeast chromosome XVI
    Yeast (Saccharomyces cerevisiae) chromosome XVI: entries and gene names
  4. PATHWAY comments
    Index of metabolic and biosynthesis pathways
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