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UniProtKB - P0AGE6 (CHRR_ECOLI)

Entry version 108 (13 Nov 2019)
Sequence version 1 (20 Dec 2005)
Previous versions | rss
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Protein

Quinone reductase

Gene

chrR

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score:

Annotation score:5 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 protein 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

Catalyzes the reduction of quinones (PubMed:14766567). Acts by simultaneous two-electron transfer, avoiding formation of highly reactive semiquinone intermediates and producing quinols that promote tolerance of H2O2. Quinone reduction is probably the primary biological role of ChrR (By similarity). Can also reduce toxic chromate to insoluble and less toxic Cr3+. Catalyzes the transfer of three electrons to Cr6+ producing Cr3+ and one electron to molecular oxygen without producing the toxic Cr5+ species and only producing a minimal amount of reactive oxygen species (ROS). Chromate reduction protects the cell against chromate toxicity, but is likely a secondary activity (PubMed:14766567, PubMed:17088379, PubMed:22558308). Can also reduce potassium ferricyanide, 2,6-dichloroindophenol, V5+, Mo6+, methylene blue, cytochrome c and U6+ (PubMed:14766567, PubMed:17088379). During chromate reduction, is able to use both NAD or NADP equally well (PubMed:14766567).By similarity3 Publications

<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 ‘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

FMN2 PublicationsNote: Binds 1 FMN per subunit.1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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

May be inhibited by divalent cations.1 Publication

<p>This subsection of the ‘Function’ section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Kineticsi

kcat is 3.7 sec(-1) with chromate as substrate (at pH 5 and 35 degrees Celsius) (PubMed:14766567). kcat is 29 sec(-1) with uranyl as substrate (at pH 7 and 37 degrees Celsius) (PubMed:17088379). kcat is 30 sec(-1) with chromate as substrate (at pH 7 and 37 degrees Celsius) (PubMed:17088379).2 Publications
  1. KM=108 µM for uranyl (at pH 7 and 37 degrees Celsius)1 Publication
  2. KM=200 µM for chromate (at pH 5 and 35 degrees Celsius)1 Publication
  3. KM=376 µM for chromate (at pH 7 and 37 degrees Celsius)1 Publication
  1. Vmax=5 µmol/min/mg enzyme with chromate as substrate (at pH 5 and 35 degrees Celsius)1 Publication
  2. Vmax=213 nmol/min/mg enzyme with uranyl as substrate (at pH 7 and 37 degrees Celsius)1 Publication
  3. Vmax=295 nmol/min/mg enzyme with chromate as substrate (at pH 7 and 37 degrees Celsius)1 Publication

pH dependencei

Optimum pH is 5.1 Publication

Temperature dependencei

Optimum temperature is 35 degrees Celsius.1 Publication

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 sitei117FMN1 Publication1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi13 – 20FMN1 Publication8
Nucleotide bindingi82 – 85FMN1 Publication4

<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

Complete GO annotation on QuickGO ...

GO - Biological processi

  • xenobiotic metabolic process Source: EcoCyc
Complete GO annotation on QuickGO ...

<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 functionOxidoreductase
LigandFlavoprotein, FMN, NAD, NADP

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		EcoCyc:EG11723-MONOMER
ECOL316407:JW3691-MONOMER
MetaCyc:EG11723-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_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:
Quinone reductaseCurated (EC:1.6.5.21 Publication)
Alternative name(s):
Chromate reductaseCurated (EC:1.6.-.-3 Publications)
Short name:
CHRR
NAD(P)H dehydrogenase (quinone)Curated
<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:chrR
Synonyms:yieF
Ordered Locus Names:b3713, JW3691
<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>OrganismiEscherichia coli (strain K12)
<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 identifieri83333 [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 lineageiBacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia ›
<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
  • UP000000318 <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
  • UP000000625 Componenti: Chromosome

<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

GO - Cellular componenti

Complete GO annotation on QuickGO ...

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

<p>This subsection of the ‘Pathology and Biotech’ section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypei

Cells lacking this gene show an increased sensitivity to chromate.1 Publication

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi85Y → N: Improves chromate reductase activity compared to the wild-type enzyme. 1 Publication1
Mutagenesisi125R → M: Improves chromate reductase activity compared to the wild-type enzyme. 1 Publication1
Mutagenesisi128Y → N: Improves chromate reductase activity compared to the wild-type enzyme. Increase of the affinity binding and catalytic efficiency for both chromate and uranyl. 2 Publications1
Mutagenesisi146E → T: Improves chromate reductase activity compared to the wild-type enzyme. 1 Publication1

<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_00001605961 – 188Quinone reductaseAdd BLAST188

Proteomic databases

Encyclopedia of Proteome Dynamics

More...EPDi		P0AGE6

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P0AGE6

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

More...PaxDbi		P0AGE6

PRoteomics IDEntifications database

More...PRIDEi		P0AGE6

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the ‘Expression’ section reports the experimentally proven effects of inducers and repressors (usually chemical compounds or environmental factors) on the level of protein (or mRNA) expression (up-regulation, down-regulation, constitutive expression).<p><a href='/help/induction' target='_top'>More...</a></p>Inductioni

Induced by both chromate and the stationary phase.1 Publication

<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_section">'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_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotetramer. Dimer of dimers. The tetrameric configuration has a central role in chromate reductase activity.

1 Publication

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...BioGridi		4262171, 17 interactors

Database of interacting proteins

More...DIPi		DIP-36041N

Protein interaction database and analysis system

More...IntActi		P0AGE6, 2 interactors

STRING: functional protein association networks

More...STRINGi		511145.b3713

<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

Secondary structure

1188
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

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

More...SMRi		P0AGE6

Database of comparative protein structure models

More...ModBasei		Search...

Protein Data Bank in Europe - Knowledge Base

More...PDBe-KBi		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 SsuE family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		ENOG4108YYH Bacteria
COG0431 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		HOG000263119

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P0AGE6

KEGG Orthology (KO)

More...KOi		K19784

Database for complete collections of gene phylogenies

More...PhylomeDBi		P0AGE6

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.40.50.360, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR029039 Flavoprotein-like_sf
IPR005025 FMN_Rdtase-like

Pfam protein domain database

More...Pfami		View protein in Pfam
PF03358 FMN_red, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF52218 SSF52218, 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>. 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_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.

P0AGE6-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSEKLQVVTL LGSLRKGSFN GMVARTLPKI APASMEVNAL PSIADIPLYD 
        60         70         80         90        100
ADVQQEEGFP ATVEALAEQI RQADGVVIVT PEYNYSVPGG LKNAIDWLSR 
       110        120        130        140        150
LPDQPLAGKP VLIQTSSMGV IGGARCQYHL RQILVFLDAM VMNKPEFMGG 
       160        170        180 
VIQNKVDPQT GEVIDQGTLD HLTGQLTAFG EFIQRVKI
Length:188
Mass (Da):20,376
Last modified:December 20, 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:i78E163CC4826905D
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
L10328 Genomic DNA Translation: AAA62064.1
U00096 Genomic DNA Translation: AAC76736.1
AP009048 Genomic DNA Translation: BAE77575.1

Protein sequence database of the Protein Information Resource

More...PIRi		B65174

NCBI Reference Sequences

More...RefSeqi		NP_418169.1, NC_000913.3
WP_001291268.1, NZ_SSZK01000035.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		AAC76736; AAC76736; b3713
BAE77575; BAE77575; BAE77575

Database of genes from NCBI RefSeq genomes

More...GeneIDi		948225

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		ecj:JW3691
eco:b3713

Pathosystems Resource Integration Center (PATRIC)

More...PATRICi		fig|1411691.4.peg.2988

<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
L10328 Genomic DNA Translation: AAA62064.1
U00096 Genomic DNA Translation: AAC76736.1
AP009048 Genomic DNA Translation: BAE77575.1
PIRiB65174
RefSeqiNP_418169.1, NC_000913.3
WP_001291268.1, NZ_SSZK01000035.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...PDBei

Protein Data Bank RCSB

More...RCSB PDBi

Protein Data Bank Japan

More...PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
3SVLX-ray2.20A/B3-188[»]
SMRiP0AGE6
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGridi4262171, 17 interactors
DIPiDIP-36041N
IntActiP0AGE6, 2 interactors
STRINGi511145.b3713

Proteomic databases

EPDiP0AGE6
jPOSTiP0AGE6
PaxDbiP0AGE6
PRIDEiP0AGE6

Genome annotation databases

EnsemblBacteriaiAAC76736; AAC76736; b3713
BAE77575; BAE77575; BAE77575
GeneIDi948225
KEGGiecj:JW3691
eco:b3713
PATRICifig|1411691.4.peg.2988

Organism-specific databases

EchoBASE - an integrated post-genomic database for E. coli

More...EchoBASEi		EB1674

Phylogenomic databases

eggNOGiENOG4108YYH Bacteria
COG0431 LUCA
HOGENOMiHOG000263119
InParanoidiP0AGE6
KOiK19784
PhylomeDBiP0AGE6

Enzyme and pathway databases

BioCyciEcoCyc:EG11723-MONOMER
ECOL316407:JW3691-MONOMER
MetaCyc:EG11723-MONOMER

Miscellaneous databases

Protein Ontology

More...PROi		PR:P0AGE6

Family and domain databases

Gene3Di3.40.50.360, 1 hit
InterProiView protein in InterPro
IPR029039 Flavoprotein-like_sf
IPR005025 FMN_Rdtase-like
PfamiView protein in Pfam
PF03358 FMN_red, 1 hit
SUPFAMiSSF52218 SSF52218, 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 nameiCHRR_ECOLI
<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: P0AGE6
Secondary accession number(s): P31465, Q2M831
<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: December 20, 2005
Last sequence update: December 20, 2005
Last modified: November 13, 2019
This is version 108 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

3D-structure, Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Escherichia coli
    Escherichia coli (strain K12): entries and cross-references to EcoGene
  3. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
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