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Entry version 107 (02 Dec 2020)
Sequence version 1 (05 Jul 2004)
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Protein

Polyamine aminopropyltransferase

Gene

speE

Organism
Methanococcus maripaludis (strain S2 / LL)
Status
Unreviewed-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

Catalyzes the irreversible transfer of a propylamine group from the amino donor S-adenosylmethioninamine (decarboxy-AdoMet) to putrescine (1,4-diaminobutane) to yield spermidine.UniRule annotation

Caution

Lacks conserved residue(s) required for the propagation of feature annotation.UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">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%5Fsection">'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.UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. Polyamine aminopropyltransferase (speE)
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 <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> 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 sitei9PolyamineUniRule annotation1
Binding sitei33S-adenosylmethioninamineUniRule annotation1
Binding sitei64PolyamineUniRule annotation1
Binding sitei88PolyamineUniRule annotation1
Binding sitei108S-adenosylmethioninamineUniRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> 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 sitei157Proton acceptorUniRule annotation1
Binding sitei164S-adenosylmethioninamine; via carbonyl oxygenUniRule annotation1

<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

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 functionTransferaseUniRule annotationARBA annotation
Biological processPolyamine biosynthesisUniRule annotation, Spermidine biosynthesisUniRule annotation

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
MMAR267377:MMP_RS08145-MONOMER

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%5Fand%5Ftaxonomy%5Fsection">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:
Polyamine aminopropyltransferaseUniRule annotation
Alternative name(s):
Putrescine aminopropyltransferaseUniRule annotation
Short name:
PAPTUniRule annotation
Spermidine synthaseUniRule annotation (EC:2.5.1.16UniRule annotation)
Short name:
SPDSUniRule annotation
Short name:
SPDSYUniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:speEUniRule annotation
Ordered Locus Names:MMP1584Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiMethanococcus maripaludis (strain S2 / LL)Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri267377 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiArchaeaEuryarchaeotaMethanomada groupMethanococciMethanococcalesMethanococcaceaeMethanococcus
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000000590 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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

<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

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homodimer or homotetramer.

UniRule annotation

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
267377.MMP1584

<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%5Fand%5Fdomains%5Fsection">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>Domaini4 – 238PABSInterPro annotationAdd BLAST235

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>Regioni139 – 140S-adenosylmethioninamine bindingUniRule annotation2
Regioni158 – 160Polyamine bindingUniRule annotation3

<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

Belongs to the spermidine/spermine synthase family.UniRule annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
arCOG00050, Archaea

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_048199_1_0_2

Identification of Orthologs from Complete Genome Data

More...
OMAi
SDMWPGQ

Database of Orthologous Groups

More...
OrthoDBi
77175at2157

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
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

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF53335, SSF53335, 1 hit

TIGRFAMs; a protein family database

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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%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<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%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

Q6LWX0-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MKFDAWYTEP QTENLSLSTK LKDILYVGQS EYQEIQVLDT YEFGRVLILE
60 70 80 90 100
NTYQTTERDE FIYHELISHP ALFTHGNPKK VLVIGGGDGG SVREVLKHKS
110 120 130 140 150
VEKIDFVELD GQVVEVAKKF LPTLSCEIDN EKVNTIITDG IKYVAETSEK
160 170 180 190 200
YDVILVDCPD PVGPAAGLFE KEFYNNLYKC LNDDGIMVQQ TESPLLHEKL
210 220 230 240 250
INKIKGHLKD AGFSTIRPLV CSIPTYPSGF WSFTLASKKN DPLNSDVSEI
260 270 280
ENKLKDMTTK YYDQDVHKGV FLATPRYLKE
Length:280
Mass (Da):31,816
Last modified:July 5, 2004 - 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:iB8F68A5DA72FFB39
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
BX950229 Genomic DNA Translation: CAF31140.1

NCBI Reference Sequences

More...
RefSeqi
WP_011171528.1, NC_005791.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
CAF31140; CAF31140; MMP1584

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
2761959

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmp:MMP1584

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|267377.15.peg.1623

<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
BX950229 Genomic DNA Translation: CAF31140.1
RefSeqiWP_011171528.1, NC_005791.1

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Protein-protein interaction databases

STRINGi267377.MMP1584

Genome annotation databases

EnsemblBacteriaiCAF31140; CAF31140; MMP1584
GeneIDi2761959
KEGGimmp:MMP1584
PATRICifig|267377.15.peg.1623

Phylogenomic databases

eggNOGiarCOG00050, Archaea
HOGENOMiCLU_048199_1_0_2
OMAiSDMWPGQ
OrthoDBi77175at2157

Enzyme and pathway databases

UniPathwayiUPA00248;UER00314
BioCyciMMAR267377:MMP_RS08145-MONOMER

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
IPR035246, Spermidine_synt_N
IPR037163, Spermidine_synt_N_sf
PfamiView protein in Pfam
PF17284, Spermine_synt_N, 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...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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 nameiQ6LWX0_METMP
<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: Q6LWX0
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/TrEMBL: July 5, 2004
Last sequence update: July 5, 2004
Last modified: December 2, 2020
This is version 107 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 statusiUnreviewed (UniProtKB/TrEMBL)

<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

Reference proteomeImported
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Main funding by: National Institutes of Health

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