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Entry version 129 (10 Feb 2021)
Sequence version 1 (01 Oct 2000)
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Protein

Probable mitochondrial-processing peptidase subunit beta

Gene

qcr1

Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission 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>
-Experimental evidence at transcript leveli <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

Catalytic subunit of the essential mitochondrial processing protease (MPP), which cleaves the mitochondrial sequence off newly imported precursors proteins (By similarity).

Preferentially, cleaves after an arginine at position P2 (By similarity).

By similarity

<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

  • Release of N-terminal transit peptides from precursor proteins imported into the mitochondrion, typically with Arg in position P2.By similarity EC:3.4.24.64

<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

Zn2+By similarityNote: Binds 1 zinc ion per subunit.By similarity

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes regulatory mechanisms for enzymes, transporters or microbial transcription factors, and reports the components which regulate (by activation or inhibition) the reaction.<p><a href='/help/activity_regulation' target='_top'>More...</a></p>Activity regulationi

Binding to mas2 is required for catalytic activity.By similarity

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 bindingi66Zinc; via tele nitrogenPROSITE-ProRule 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 sitei69Proton acceptorPROSITE-ProRule annotation1
Metal bindingi70Zinc; via tele nitrogenPROSITE-ProRule annotation1
Metal bindingi146ZincPROSITE-ProRule 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 functionHydrolase, Metalloprotease, Protease
LigandMetal-binding, Zinc

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-SPO-611105, Respiratory electron transport

Protein family/group databases

MEROPS protease database

More...
MEROPSi
M16.003

<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:
Probable mitochondrial-processing peptidase subunit beta (EC:3.4.24.64By similarity)
Alternative name(s):
Beta-MPP
PEP
<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:qcr1
ORF Names:SPBP23A10.15c
<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>OrganismiSchizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)
<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 identifieri284812 [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 lineageiEukaryotaFungiDikaryaAscomycotaTaphrinomycotinaSchizosaccharomycetesSchizosaccharomycetalesSchizosaccharomycetaceaeSchizosaccharomyces
<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
  • UP000002485 <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 II

Organism-specific databases

Schizosaccharomyces pombe database

More...
PomBasei
SPBP23A10.15c, qcr1

Eukaryotic Pathogen, Vector and Host Database Resources

More...
VEuPathDBi
FungiDB:SPBP23A10.15c

<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

Keywords - Cellular componenti

Mitochondrion

<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 transit peptide.<p><a href='/help/transit' target='_top'>More...</a></p>Transit peptidei1 – ?MitochondrionSequence analysis
<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_0000026783? – 457Probable mitochondrial-processing peptidase subunit beta

Proteomic databases

MaxQB - The MaxQuant DataBase

More...
MaxQBi
Q9P7X1

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

More...
PaxDbi
Q9P7X1

PRoteomics IDEntifications database

More...
PRIDEi
Q9P7X1

<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

Heterodimer of mas2 (alpha) and qcr1 (beta) subunits, forming the mitochondrial processing protease (MPP) in which mas2 is involved in substrate recognition and binding and qcr1 is the catalytic subunit.

By similarity

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
277812, 2 interactors

STRING: functional protein association networks

More...
STRINGi
4896.SPBP23A10.15c.1

<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
Q9P7X1

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 M16 family.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0960, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_009902_4_2_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9P7X1

Identification of Orthologs from Complete Genome Data

More...
OMAi
IDVVCDM

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9P7X1

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011249, Metalloenz_LuxS/M16
IPR011765, Pept_M16_N
IPR001431, Pept_M16_Zn_BS
IPR007863, Peptidase_M16_C

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00675, Peptidase_M16, 1 hit
PF05193, Peptidase_M16_C, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF63411, SSF63411, 2 hits

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00143, INSULINASE, 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.

<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 in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

Q9P7X1-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MLRLQNLPKL VRRFATTALP KTETTTLKNG LTVATEHHPY AQTATVLVGV
60 70 80 90 100
DAGSRAETAK NNGAAHFLEH LAFKGTKNRS QKALELEFEN TGAHLNAYTS
110 120 130 140 150
REQTVYYAHA FKNAVPNAVA VLADILTNSS ISASAVERER QVILREQEEV
160 170 180 190 200
DKMADEVVFD HLHATAYQGH PLGRTILGPK ENIESLTRED LLQYIKDNYR
210 220 230 240 250
SDRMIISSAG SISHEELVKL AEKYFGHLEP SAEQLSLGAP RGLKPRFVGS
260 270 280 290 300
EIRARDDDSP TANIAIAVEG MSWKHPDYFT ALVMQAIIGN WDRAMGASPH
310 320 330 340 350
LSSRLSTIVQ QHQLANSFMS FSTSYSDTGL WGIYLVTENL GRIDDLVHFT
360 370 380 390 400
LQNWARLTVA TRAEVERAKA QLRASLLLSL DSTTAIAEDI GRQLLTTGRR
410 420 430 440 450
MSPQEVDLRI GQITEKDVAR VASEMIWDKD IAVSAVGSIE GLLDYNRIRS

SISMNRW
Length:457
Mass (Da):50,737
Last modified:October 1, 2000 - 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:iB4978855A8574948
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti89E → G in BAA13814 (PubMed:9501991).Curated1
Sequence conflicti111 – 112FK → PQ in BAA13814 (PubMed:9501991).Curated2
Sequence conflicti117N → H in BAA13814 (PubMed:9501991).Curated1
Sequence conflicti446 – 457NRIRS…SMNRW → TVFVAVFL in BAA13814 (PubMed:9501991).CuratedAdd BLAST12

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
D89152 mRNA Translation: BAA13814.1
CU329671 Genomic DNA Translation: CAB66443.1

Protein sequence database of the Protein Information Resource

More...
PIRi
T42428
T50402

NCBI Reference Sequences

More...
RefSeqi
NP_595827.1, NM_001021731.2

Genome annotation databases

Ensembl fungal genome annotation project

More...
EnsemblFungii
SPBP23A10.15c.1; SPBP23A10.15c.1:pep; SPBP23A10.15c

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
2541300

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
spo:SPBP23A10.15c

<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
D89152 mRNA Translation: BAA13814.1
CU329671 Genomic DNA Translation: CAB66443.1
PIRiT42428
T50402
RefSeqiNP_595827.1, NM_001021731.2

3D structure databases

SMRiQ9P7X1
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi277812, 2 interactors
STRINGi4896.SPBP23A10.15c.1

Protein family/group databases

MEROPSiM16.003

Proteomic databases

MaxQBiQ9P7X1
PaxDbiQ9P7X1
PRIDEiQ9P7X1

Genome annotation databases

EnsemblFungiiSPBP23A10.15c.1; SPBP23A10.15c.1:pep; SPBP23A10.15c
GeneIDi2541300
KEGGispo:SPBP23A10.15c

Organism-specific databases

PomBaseiSPBP23A10.15c, qcr1
VEuPathDBiFungiDB:SPBP23A10.15c

Phylogenomic databases

eggNOGiKOG0960, Eukaryota
HOGENOMiCLU_009902_4_2_1
InParanoidiQ9P7X1
OMAiIDVVCDM
PhylomeDBiQ9P7X1

Enzyme and pathway databases

ReactomeiR-SPO-611105, Respiratory electron transport

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9P7X1

Family and domain databases

InterProiView protein in InterPro
IPR011249, Metalloenz_LuxS/M16
IPR011765, Pept_M16_N
IPR001431, Pept_M16_Zn_BS
IPR007863, Peptidase_M16_C
PfamiView protein in Pfam
PF00675, Peptidase_M16, 1 hit
PF05193, Peptidase_M16_C, 1 hit
SUPFAMiSSF63411, SSF63411, 2 hits
PROSITEiView protein in PROSITE
PS00143, INSULINASE, 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 nameiMPPB_SCHPO
<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: Q9P7X1
Secondary accession number(s): P78803
<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 11, 2003
Last sequence update: October 1, 2000
Last modified: February 10, 2021
This is version 129 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

Reference proteome

Documents

  1. Schizosaccharomyces pombe
    Schizosaccharomyces pombe: entries and gene names
  2. Peptidase families
    Classification of peptidase families and list of entries
  3. SIMILARITY comments
    Index of protein domains and families
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