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Protein

Chorismate mutase

Gene

aroQ

Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Methanococcus jannaschii)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at protein leveli

Functioni

Catalyzes the conversion of chorismate into prephenate via a Claisen rearrangement.1 Publication

Catalytic activityi

Chorismate = prephenate.1 Publication

Kineticsi

kcat is 5.7 sec(-1) (at 30 degrees Celsius).

  1. KM=41 µM for chorismate (at 30 degrees Celsius)1 Publication

    pH dependencei

    Activity is independent of pH in the range of pH 5-9.1 Publication

    Temperature dependencei

    Thermostable. The midpoint for its thermal unfolding transition (Tm) is 88 degrees Celsius.1 Publication

    Pathwayi: prephenate biosynthesis

    This protein is involved in step 1 of the subpathway that synthesizes prephenate from chorismate.
    Proteins known to be involved in this subpathway in this organism are:
    1. Chorismate mutase (aroQ)
    This subpathway is part of the pathway prephenate biosynthesis, which is itself part of Metabolic intermediate biosynthesis.
    View all proteins of this organism that are known to be involved in the subpathway that synthesizes prephenate from chorismate, the pathway prephenate biosynthesis and in Metabolic intermediate biosynthesis.

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Binding sitei26 – 261SubstrateBy similarity
    Binding sitei37 – 371SubstrateBy similarity
    Binding sitei46 – 461SubstrateBy similarity
    Binding sitei50 – 501SubstrateBy similarity
    Binding sitei86 – 861SubstrateBy similarity

    GO - Molecular functioni

    GO - Biological processi

    Complete GO annotation...

    Keywords - Molecular functioni

    Isomerase

    Enzyme and pathway databases

    SABIO-RKQ57696.
    UniPathwayiUPA00120; UER00203.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Chorismate mutase (EC:5.4.99.5)
    Short name:
    CM
    Alternative name(s):
    Monofunctional chorismate mutase AroQ(f)
    Gene namesi
    Name:aroQ
    Synonyms:aroQ(f)
    Ordered Locus Names:MJ0246
    OrganismiMethanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Methanococcus jannaschii)
    Taxonomic identifieri243232 [NCBI]
    Taxonomic lineageiArchaeaEuryarchaeotaMethanococciMethanococcalesMethanocaldococcaceaeMethanocaldococcus
    Proteomesi
    • UP000000805 Componenti: Chromosome

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 9999Chorismate mutasePRO_0000119202Add
    BLAST

    Interactioni

    Subunit structurei

    Homodimer.1 Publication

    Protein-protein interaction databases

    STRINGi243232.MJ_0246.

    Structurei

    Secondary structure

    1
    99
    Legend: HelixTurnBeta strand
    Show more details
    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Helixi4 – 2017Combined sources
    Helixi23 – 3917Combined sources
    Helixi47 – 6418Combined sources
    Helixi69 – 9325Combined sources

    3D structure databases

    Select the link destinations:
    PDBei
    RCSB PDBi
    PDBji
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    2GTVNMR-X1-93[»]
    DisProtiDP00465.
    ProteinModelPortaliQ57696.
    SMRiQ57696. Positions 1-93.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiQ57696.

    Family & Domainsi

    Domains and Repeats

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Domaini1 – 9090Chorismate mutasePROSITE-ProRule annotationAdd
    BLAST

    Sequence similaritiesi

    Contains 1 chorismate mutase domain.PROSITE-ProRule annotation

    Phylogenomic databases

    eggNOGiarCOG02098. Archaea.
    COG1605. LUCA.
    InParanoidiQ57696.
    KOiK04093.
    OMAiFQILIEH.
    PhylomeDBiQ57696.

    Family and domain databases

    Gene3Di1.20.59.10. 1 hit.
    InterProiIPR002701. Chorismate_mutase.
    IPR010950. Chorismate_mutase_arc.
    IPR020822. Chorismate_mutase_type_II.
    [Graphical view]
    PfamiPF01817. CM_2. 1 hit.
    [Graphical view]
    SMARTiSM00830. CM_2. 1 hit.
    [Graphical view]
    SUPFAMiSSF48600. SSF48600. 1 hit.
    TIGRFAMsiTIGR01791. CM_archaeal. 1 hit.
    PROSITEiPS51168. CHORISMATE_MUT_2. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Q57696-1 [UniParc]FASTAAdd to basket

    « Hide

            10         20         30         40         50
    MIEKLAEIRK KIDEIDNKIL KLIAERNSLA KDVAEIKNQL GIPINDPERE
    60 70 80 90
    KYIYDRIRKL CKEHNVDENI GIKIFQILIE HNKALQKQYL EETQNKNKK
    Length:99
    Mass (Da):11,782
    Last modified:November 1, 1996 - v1
    Checksum:i9759018D0A07E76C
    GO

    Sequence databases

    Select the link destinations:
    EMBLi
    GenBanki
    DDBJi
    Links Updated
    L77117 Genomic DNA. Translation: AAB98234.1.
    PIRiG64330.

    Genome annotation databases

    EnsemblBacteriaiAAB98234; AAB98234; MJ_0246.
    KEGGimja:MJ_0246.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBLi
    GenBanki
    DDBJi
    Links Updated
    L77117 Genomic DNA. Translation: AAB98234.1.
    PIRiG64330.

    3D structure databases

    Select the link destinations:
    PDBei
    RCSB PDBi
    PDBji
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    2GTVNMR-X1-93[»]
    DisProtiDP00465.
    ProteinModelPortaliQ57696.
    SMRiQ57696. Positions 1-93.
    ModBaseiSearch...
    MobiDBiSearch...

    Protein-protein interaction databases

    STRINGi243232.MJ_0246.

    Protocols and materials databases

    Structural Biology KnowledgebaseSearch...

    Genome annotation databases

    EnsemblBacteriaiAAB98234; AAB98234; MJ_0246.
    KEGGimja:MJ_0246.

    Phylogenomic databases

    eggNOGiarCOG02098. Archaea.
    COG1605. LUCA.
    InParanoidiQ57696.
    KOiK04093.
    OMAiFQILIEH.
    PhylomeDBiQ57696.

    Enzyme and pathway databases

    UniPathwayiUPA00120; UER00203.
    SABIO-RKQ57696.

    Miscellaneous databases

    EvolutionaryTraceiQ57696.

    Family and domain databases

    Gene3Di1.20.59.10. 1 hit.
    InterProiIPR002701. Chorismate_mutase.
    IPR010950. Chorismate_mutase_arc.
    IPR020822. Chorismate_mutase_type_II.
    [Graphical view]
    PfamiPF01817. CM_2. 1 hit.
    [Graphical view]
    SMARTiSM00830. CM_2. 1 hit.
    [Graphical view]
    SUPFAMiSSF48600. SSF48600. 1 hit.
    TIGRFAMsiTIGR01791. CM_archaeal. 1 hit.
    PROSITEiPS51168. CHORISMATE_MUT_2. 1 hit.
    [Graphical view]
    ProtoNetiSearch...

    Publicationsi

    « Hide 'large scale' publications
    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440.
    2. "A small, thermostable, and monofunctional chorismate mutase from the archaeon Methanococcus jannaschii."
      MacBeath G., Kast P., Hilvert D.
      Biochemistry 37:10062-10073(1998) [PubMed] [Europe PMC] [Abstract]
      Cited for: FUNCTION, CATALYTIC ACTIVITY, GENE NAME, BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT.
      Strain: ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440.
    3. Cited for: STRUCTURE BY NMR OF 1-93.
      Strain: ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440.

    Entry informationi

    Entry nameiCHMU_METJA
    AccessioniPrimary (citable) accession number: Q57696
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: November 1, 1997
    Last sequence update: November 1, 1996
    Last modified: November 11, 2015
    This is version 95 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

    3D-structure, Complete proteome, Reference proteome

    Documents

    1. Methanococcus jannaschii
      Methanococcus jannaschii: entries and gene names
    2. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    3. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    4. SIMILARITY comments
      Index of protein domains and families

    Similar proteinsi

    Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
    100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
    90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
    50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.