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P0A2T8

- FNR_SALTY

UniProt

P0A2T8 - FNR_SALTY

Protein

Fumarate and nitrate reduction regulatory protein

Gene

fnr

Organism
Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 66 (01 Oct 2014)
      Sequence version 1 (01 Mar 2005)
      Previous versions | rss
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    Functioni

    Global transcription factor that controls the expression of over 100 target genes in response to anoxia. It facilitates the adaptation to anaerobic growth conditions by regulating the expression of gene products that are involved in anaerobic energy metabolism. When the terminal electron acceptor, O2, is no longer available, it represses the synthesis of enzymes involved in aerobic respiration and increases the synthesis of enzymes required for anaerobic respiration By similarity.By similarity

    Cofactori

    Binds 1 4Fe-4S cluster per subunit.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi20 – 201Iron-sulfur (4Fe-4S)Sequence Analysis
    Metal bindingi23 – 231Iron-sulfur (4Fe-4S)Sequence Analysis
    Metal bindingi29 – 291Iron-sulfur (4Fe-4S)Sequence Analysis
    Metal bindingi122 – 1221Iron-sulfur (4Fe-4S)Sequence Analysis

    Regions

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    DNA bindingi197 – 21620H-T-H motifPROSITE-ProRule annotationAdd
    BLAST

    GO - Molecular functioni

    1. 4 iron, 4 sulfur cluster binding Source: UniProtKB-KW
    2. DNA binding Source: UniProtKB-KW
    3. metal ion binding Source: UniProtKB-KW
    4. sequence-specific DNA binding transcription factor activity Source: InterPro

    GO - Biological processi

    1. transcription, DNA-templated Source: UniProtKB-KW

    Keywords - Molecular functioni

    Activator, Repressor

    Keywords - Biological processi

    Transcription, Transcription regulation

    Keywords - Ligandi

    4Fe-4S, DNA-binding, Iron, Iron-sulfur, Metal-binding

    Enzyme and pathway databases

    BioCyciSENT99287:GCTI-1668-MONOMER.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Fumarate and nitrate reduction regulatory protein
    Gene namesi
    Name:fnr
    Synonyms:oxrA
    Ordered Locus Names:STM1660
    OrganismiSalmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
    Taxonomic identifieri99287 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeSalmonella
    ProteomesiUP000001014: Chromosome

    Subcellular locationi

    Cytoplasm Curated

    GO - Cellular componenti

    1. cytoplasm Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Cytoplasm

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 250250Fumarate and nitrate reduction regulatory proteinPRO_0000100167Add
    BLAST

    Proteomic databases

    PaxDbiP0A2T8.
    PRIDEiP0A2T8.

    Interactioni

    Subunit structurei

    Homodimer.By similarity

    Protein-protein interaction databases

    STRINGi99287.STM1660.S.

    Structurei

    3D structure databases

    ProteinModelPortaliP0A2T8.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Domains and Repeats

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Domaini164 – 23774HTH crp-typePROSITE-ProRule annotationAdd
    BLAST

    Region

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Regioni20 – 2910Essential for the oxygen-regulated activityBy similarity
    Regioni47 – 504Activating region 2ASequence Analysis
    Regioni60 – 612Activating region 3ASequence Analysis
    Regioni71 – 755Activating region 1ASequence Analysis
    Regioni81 – 811Activating region 3BSequence Analysis
    Regioni85 – 873Activating region 3CSequence Analysis
    Regioni112 – 1121Activating region 3DSequence Analysis
    Regioni116 – 1216Activating region 1BSequence Analysis
    Regioni123 – 1242Activating region 2BSequence Analysis
    Regioni127 – 1282Activating region 2CSequence Analysis
    Regioni140 – 15920DimerizationSequence AnalysisAdd
    BLAST
    Regioni181 – 19111Activating region 1CSequence AnalysisAdd
    BLAST

    Sequence similaritiesi

    Contains 1 cyclic nucleotide-binding domain.PROSITE-ProRule annotation
    Contains 1 HTH crp-type DNA-binding domain.PROSITE-ProRule annotation

    Phylogenomic databases

    eggNOGiCOG0664.
    KOiK01420.
    OMAiFSANQFR.
    OrthoDBiEOG6RVFWF.
    PhylomeDBiP0A2T8.

    Family and domain databases

    Gene3Di1.10.10.10. 1 hit.
    2.60.120.10. 1 hit.
    InterProiIPR018490. cNMP-bd-like.
    IPR000595. cNMP-bd_dom.
    IPR012318. HTH_CRP_2.
    IPR014710. RmlC-like_jellyroll.
    IPR001808. Tscrpt_reg_HTH_Crp.
    IPR018335. Tscrpt_reg_HTH_Crp-type_CS.
    IPR011991. WHTH_DNA-bd_dom.
    [Graphical view]
    PfamiPF00027. cNMP_binding. 1 hit.
    PF00325. Crp. 1 hit.
    [Graphical view]
    PRINTSiPR00034. HTHCRP.
    SMARTiSM00100. cNMP. 1 hit.
    SM00419. HTH_CRP. 1 hit.
    [Graphical view]
    SUPFAMiSSF51206. SSF51206. 1 hit.
    PROSITEiPS50042. CNMP_BINDING_3. 1 hit.
    PS00042. HTH_CRP_1. 1 hit.
    PS51063. HTH_CRP_2. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    P0A2T8-1 [UniParc]FASTAAdd to Basket

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    MIPEKRIIRR IQSGGCAIHC QDCSISQLCI PFTLNEHELD QLDNIIERKK    50
    PIQKGQTLFK AGDELKSLYA IRSGTIKSYT ITEQGDEQIT GFHLAGDLVG 100
    FDAIGSGHHP SFAQALETSM VCEIPFETLD DLSGKMPNLR QQMMRLMSGE 150
    IKGDQDMILL LSKKNAEERL AAFIYNLSRR FAQRGFSPRE FRLTMTRGDI 200
    GNYLGLTVET ISRLLGRFQK SGMLAVKGKY ITIENSDALA ALAGHTRNVA 250
    Length:250
    Mass (Da):27,883
    Last modified:March 1, 2005 - v1
    Checksum:i33E3EFA2972FED2A
    GO

    Sequence cautioni

    The sequence AAL20578.1 differs from that shown. Reason: Erroneous initiation.

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    U05668 Unassigned DNA. Translation: AAA16268.1.
    AE006468 Genomic DNA. Translation: AAL20578.1. Different initiation.
    RefSeqiNP_460619.2. NC_003197.1.

    Genome annotation databases

    EnsemblBacteriaiAAL20578; AAL20578; STM1660.
    GeneIDi1253178.
    KEGGistm:STM1660.S.
    PATRICi32381828. VBISalEnt20916_1754.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    U05668 Unassigned DNA. Translation: AAA16268.1 .
    AE006468 Genomic DNA. Translation: AAL20578.1 . Different initiation.
    RefSeqi NP_460619.2. NC_003197.1.

    3D structure databases

    ProteinModelPortali P0A2T8.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 99287.STM1660.S.

    Proteomic databases

    PaxDbi P0A2T8.
    PRIDEi P0A2T8.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai AAL20578 ; AAL20578 ; STM1660 .
    GeneIDi 1253178.
    KEGGi stm:STM1660.S.
    PATRICi 32381828. VBISalEnt20916_1754.

    Phylogenomic databases

    eggNOGi COG0664.
    KOi K01420.
    OMAi FSANQFR.
    OrthoDBi EOG6RVFWF.
    PhylomeDBi P0A2T8.

    Enzyme and pathway databases

    BioCyci SENT99287:GCTI-1668-MONOMER.

    Family and domain databases

    Gene3Di 1.10.10.10. 1 hit.
    2.60.120.10. 1 hit.
    InterProi IPR018490. cNMP-bd-like.
    IPR000595. cNMP-bd_dom.
    IPR012318. HTH_CRP_2.
    IPR014710. RmlC-like_jellyroll.
    IPR001808. Tscrpt_reg_HTH_Crp.
    IPR018335. Tscrpt_reg_HTH_Crp-type_CS.
    IPR011991. WHTH_DNA-bd_dom.
    [Graphical view ]
    Pfami PF00027. cNMP_binding. 1 hit.
    PF00325. Crp. 1 hit.
    [Graphical view ]
    PRINTSi PR00034. HTHCRP.
    SMARTi SM00100. cNMP. 1 hit.
    SM00419. HTH_CRP. 1 hit.
    [Graphical view ]
    SUPFAMi SSF51206. SSF51206. 1 hit.
    PROSITEi PS50042. CNMP_BINDING_3. 1 hit.
    PS00042. HTH_CRP_1. 1 hit.
    PS51063. HTH_CRP_2. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Regulation of the Salmonella typhimurium pepT gene by cyclic AMP receptor protein (CRP) and FNR acting at a hybrid CRP-FNR site."
      Lombardo M.-J., Lee A.A., Knox T.M., Miller C.G.
      J. Bacteriol. 179:1909-1917(1997) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: LT2 / SGSC1412 / ATCC 700720.

    Entry informationi

    Entry nameiFNR_SALTY
    AccessioniPrimary (citable) accession number: P0A2T8
    Secondary accession number(s): P37428, P58996
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: March 1, 2005
    Last sequence update: March 1, 2005
    Last modified: October 1, 2014
    This is version 66 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3