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Entry version 84 (26 Feb 2020)
Sequence version 1 (06 Dec 2005)
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Protein

Antitoxin MazE

Gene

mazE

Organism
Escherichia coli O157:H7
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

Antitoxin component of a type II toxin-antitoxin (TA) system. Labile antitoxin that binds to its cognate MazF endoribonuclease toxin and neutralizes its activity. Both MazE and MazE-MazF bind to the promoter region of the mazE-mazF operon to inhibit their transcription.By similarity

<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 functionDNA-binding
Biological processToxin-antitoxin system

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
ECOO157:CHPR-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:
Antitoxin MazE
<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:mazE
Synonyms:chpAI, chpR
Ordered Locus Names:Z4098, ECs3643
<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>OrganismiEscherichia coli O157:H7
<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 identifieri83334 [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 lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia
<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
  • UP000000558 <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
  • UP000002519 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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000896501 – 82Antitoxin MazEAdd BLAST82

<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

Forms a heterohexamer composed of alternating toxin and antitoxin homodimers MazF2-MazE2-MazF2 which inhibits the endoribonuclease activity of MazF.

By similarity

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
155864.EDL933_3961

<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
P0AE73

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

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 – 49SpoVT-AbrBPROSITE-ProRule annotationAdd BLAST46

<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 PemI family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG4106A2Z Bacteria
COG2336 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_150554_1_0_6

KEGG Orthology (KO)

More...
KOi
K07172

Family and domain databases

Database of protein disorder

More...
DisProti
DP00296

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR039052 Antitox_PemI-like
IPR007159 SpoVT-AbrB_dom
IPR037914 SpoVT-AbrB_sf

The PANTHER Classification System

More...
PANTHERi
PTHR40516 PTHR40516, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF04014 MazE_antitoxin, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00966 SpoVT_AbrB, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF89447 SSF89447, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51740 SPOVT_ABRB, 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.

P0AE73-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MIHSSVKRWG NSPAVRIPAT LMQALNLNID DEVKIDLVDG KLIIEPVRKE
60 70 80
PVFTLAELVN DITPENLHEN IDWGEPKDKE VW
Length:82
Mass (Da):9,356
Last modified:December 6, 2005 - 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:iCD452A9AA4FB362E
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
AE005174 Genomic DNA Translation: AAG57896.1
BA000007 Genomic DNA Translation: BAB37066.1

Protein sequence database of the Protein Information Resource

More...
PIRi
C91084
D85929

NCBI Reference Sequences

More...
RefSeqi
NP_311670.1, NC_002695.1
WP_000581937.1, NZ_SDVX01000004.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
AAG57896; AAG57896; Z4098
BAB37066; BAB37066; BAB37066

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
916553

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ece:Z4098
ecs:ECs3643

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|386585.9.peg.3807

<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
AE005174 Genomic DNA Translation: AAG57896.1
BA000007 Genomic DNA Translation: BAB37066.1
PIRiC91084
D85929
RefSeqiNP_311670.1, NC_002695.1
WP_000581937.1, NZ_SDVX01000004.1

3D structure databases

SMRiP0AE73
ModBaseiSearch...

Protein-protein interaction databases

STRINGi155864.EDL933_3961

Genome annotation databases

EnsemblBacteriaiAAG57896; AAG57896; Z4098
BAB37066; BAB37066; BAB37066
GeneIDi916553
KEGGiece:Z4098
ecs:ECs3643
PATRICifig|386585.9.peg.3807

Phylogenomic databases

eggNOGiENOG4106A2Z Bacteria
COG2336 LUCA
HOGENOMiCLU_150554_1_0_6
KOiK07172

Enzyme and pathway databases

BioCyciECOO157:CHPR-MONOMER

Family and domain databases

DisProtiDP00296
InterProiView protein in InterPro
IPR039052 Antitox_PemI-like
IPR007159 SpoVT-AbrB_dom
IPR037914 SpoVT-AbrB_sf
PANTHERiPTHR40516 PTHR40516, 1 hit
PfamiView protein in Pfam
PF04014 MazE_antitoxin, 1 hit
SMARTiView protein in SMART
SM00966 SpoVT_AbrB, 1 hit
SUPFAMiSSF89447 SSF89447, 1 hit
PROSITEiView protein in PROSITE
PS51740 SPOVT_ABRB, 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 nameiMAZE_ECO57
<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: P0AE73
Secondary accession number(s): P18534
<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: December 6, 2005
Last sequence update: December 6, 2005
Last modified: February 26, 2020
This is version 84 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

Keywords - Technical termi

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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