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Entry version 73 (02 Jun 2021)
Sequence version 1 (23 Sep 2008)
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Protein

Xaa-Pro dipeptidase

Gene

pepQ

Organism
Stenotrophomonas maltophilia (strain R551-3)
Status
Reviewed-Annotation score:

Annotation score:2 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

Splits dipeptides with a prolyl residue in the C-terminal position.

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

  • Hydrolysis of Xaa-|-Pro dipeptides. Also acts on aminoacyl-hydroxyproline analogs. No action on Pro-|-Pro.UniRule annotation EC:3.4.13.9

<p>This subsection of the 'Function' section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Mn2+UniRule annotationNote: Binds 2 manganese ions per subunit.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi244Manganese 2UniRule annotation1
Metal bindingi255Manganese 1UniRule annotation1
Metal bindingi255Manganese 2UniRule annotation1
Metal bindingi336Manganese 1UniRule annotation1
Metal bindingi381Manganese 1UniRule annotation1
Metal bindingi420Manganese 1UniRule annotation1
Metal bindingi420Manganese 2UniRule 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

<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 functionDipeptidase, Hydrolase, Metalloprotease, Protease
LigandManganese, Metal-binding

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
SMAL391008:SMAL_RS16655-MONOMER

<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:
Xaa-Pro dipeptidaseUniRule annotation (EC:3.4.13.9UniRule annotation)
Short name:
X-Pro dipeptidaseUniRule annotation
Alternative name(s):
ImidodipeptidaseUniRule annotation
Proline dipeptidaseUniRule annotation
Short name:
ProlidaseUniRule 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:pepQUniRule annotation
Ordered Locus Names:Smal_3276
<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>OrganismiStenotrophomonas maltophilia (strain R551-3)
<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 identifieri391008 [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 lineageiBacteriaProteobacteriaGammaproteobacteriaXanthomonadalesXanthomonadaceaeStenotrophomonasStenotrophomonas maltophilia group
<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
  • UP000001867 <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 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 or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_10001403341 – 443Xaa-Pro dipeptidaseAdd BLAST443

<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

STRING: functional protein association networks

More...
STRINGi
391008.Smal_3276

<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

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SMRi
B4SI11

Database of comparative protein structure models

More...
ModBasei
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

<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 peptidase M24B family. Bacterial-type prolidase subfamily.UniRule annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
COG0006, Bacteria

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_050675_0_0_6

Identification of Orthologs from Complete Genome Data

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OMAi
DFWHKVA

Database of Orthologous Groups

More...
OrthoDBi
415910at2

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.40.350.10, 1 hit
3.90.230.10, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_01279, X_Pro_dipeptid, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR029149, Creatin/AminoP/Spt16_NTD
IPR036005, Creatinase/aminopeptidase-like
IPR000994, Pept_M24
IPR001131, Peptidase_M24B_aminopep-P_CS
IPR022846, X_Pro_dipept

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00557, Peptidase_M24, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF55920, SSF55920, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00491, PROLINE_PEPTIDASE, 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.

B4SI11-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MIQQDPGALY SDHLAVLFRR AEQALARGGF DHLVVPSGTL HYQVFDDRDY
60 70 80 90 100
PYAVNPQFKA WLPLTRVPNS WIVFTPGKRP AVLFHQPFDY WHVVPDAPSG
110 120 130 140 150
WWVEHFDIHI IRKPEEALAL LPADPSRCAI LGEPQSALGS YVPNNPAPVV
160 170 180 190 200
NYLEWHRGSK TPYEIALMRQ AQVLGVRGHR AAEAAFRNGA DEFSIHMAYC
210 220 230 240 250
QAVGQDATEL PYGNIVALNE HAAVLHYTEL GRKAPQPLRS FLIDAGASAH
260 270 280 290 300
GYASDITRTY AARGHDEFAA MIAAVDAAQQ QMCAAVRPGF DYKQLHVDAH
310 320 330 340 350
LSLMGVLKDF GVIKVSPQTA LETGVSAAFF PHGIGHLIGL QVHDVAGFAA
360 370 380 390 400
SDEGGRIERP AGHPYLRLTR VLEPGMVVTI EPGLYFIDML LNEVKDAGHG
410 420 430 440
DAINWDRVDF FRPYGGIRIE DEVLCTEGEA DNLTRPVFAA ANG
Length:443
Mass (Da):48,738
Last modified:September 23, 2008 - 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:iE061A11B40565BFF
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
CP001111 Genomic DNA Translation: ACF52975.1

NCBI Reference Sequences

More...
RefSeqi
WP_012512003.1, NC_011071.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
ACF52975; ACF52975; Smal_3276

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
smt:Smal_3276

<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
CP001111 Genomic DNA Translation: ACF52975.1
RefSeqiWP_012512003.1, NC_011071.1

3D structure databases

SMRiB4SI11
ModBaseiSearch...

Protein-protein interaction databases

STRINGi391008.Smal_3276

Genome annotation databases

EnsemblBacteriaiACF52975; ACF52975; Smal_3276
KEGGismt:Smal_3276

Phylogenomic databases

eggNOGiCOG0006, Bacteria
HOGENOMiCLU_050675_0_0_6
OMAiDFWHKVA
OrthoDBi415910at2

Enzyme and pathway databases

BioCyciSMAL391008:SMAL_RS16655-MONOMER

Family and domain databases

Gene3Di3.40.350.10, 1 hit
3.90.230.10, 1 hit
HAMAPiMF_01279, X_Pro_dipeptid, 1 hit
InterProiView protein in InterPro
IPR029149, Creatin/AminoP/Spt16_NTD
IPR036005, Creatinase/aminopeptidase-like
IPR000994, Pept_M24
IPR001131, Peptidase_M24B_aminopep-P_CS
IPR022846, X_Pro_dipept
PfamiView protein in Pfam
PF00557, Peptidase_M24, 1 hit
SUPFAMiSSF55920, SSF55920, 1 hit
PROSITEiView protein in PROSITE
PS00491, PROLINE_PEPTIDASE, 1 hit

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 nameiPEPQ_STRM5
<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: B4SI11
<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/Swiss-Prot: April 14, 2009
Last sequence update: September 23, 2008
Last modified: June 2, 2021
This is version 73 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 programProkaryotic 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

Documents

  1. Peptidase families
    Classification of peptidase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families
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