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A6QG93

- SYI_STAAE

UniProt

A6QG93 - SYI_STAAE

Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Staphylococcus aureus (strain Newman)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 57 (01 Oct 2014)
      Sequence version 1 (21 Aug 2007)
      Previous versions | rss
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    Functioni

    Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile).UniRule annotation

    Catalytic activityi

    ATP + L-isoleucine + tRNA(Ile) = AMP + diphosphate + L-isoleucyl-tRNA(Ile).UniRule annotation

    Cofactori

    Binds 1 zinc ion per subunit.UniRule annotation

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Binding sitei554 – 5541Aminoacyl-adenylateUniRule annotation
    Binding sitei598 – 5981ATPUniRule annotation
    Metal bindingi886 – 8861ZincUniRule annotation
    Metal bindingi889 – 8891ZincUniRule annotation
    Metal bindingi906 – 9061ZincUniRule annotation
    Metal bindingi909 – 9091ZincUniRule annotation

    GO - Molecular functioni

    1. aminoacyl-tRNA editing activity Source: InterPro
    2. ATP binding Source: UniProtKB-HAMAP
    3. isoleucine-tRNA ligase activity Source: UniProtKB-HAMAP
    4. zinc ion binding Source: UniProtKB-HAMAP

    GO - Biological processi

    1. isoleucyl-tRNA aminoacylation Source: UniProtKB-HAMAP

    Keywords - Molecular functioni

    Aminoacyl-tRNA synthetase, Ligase

    Keywords - Biological processi

    Protein biosynthesis

    Keywords - Ligandi

    ATP-binding, Metal-binding, Nucleotide-binding, Zinc

    Enzyme and pathway databases

    BioCyciSAUR426430:GIXC-1126-MONOMER.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Isoleucine--tRNA ligaseUniRule annotation (EC:6.1.1.5UniRule annotation)
    Alternative name(s):
    Isoleucyl-tRNA synthetaseUniRule annotation
    Short name:
    IleRSUniRule annotation
    Gene namesi
    Name:ileSUniRule annotation
    Ordered Locus Names:NWMN_1103
    OrganismiStaphylococcus aureus (strain Newman)
    Taxonomic identifieri426430 [NCBI]
    Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesStaphylococcus
    ProteomesiUP000006386: Chromosome

    Subcellular locationi

    Cytoplasm UniRule annotation

    GO - Cellular componenti

    1. cytoplasm Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Cytoplasm

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 917917Isoleucine--tRNA ligasePRO_1000073711Add
    BLAST

    Proteomic databases

    PRIDEiA6QG93.

    Interactioni

    Subunit structurei

    Monomer.UniRule annotation

    Protein-protein interaction databases

    STRINGi426430.NWMN_1103.

    Structurei

    3D structure databases

    ProteinModelPortaliA6QG93.
    SMRiA6QG93. Positions 1-917.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Motif

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Motifi57 – 6711"HIGH" regionAdd
    BLAST
    Motifi595 – 5995"KMSKS" region

    Domaini

    IleRS has two distinct active sites: one for aminoacylation and one for editing. The misactivated valine is translocated from the active site to the editing site, which sterically excludes the correctly activated isoleucine. The single editing site contains two valyl binding pockets, one specific for each substrate (Val-AMP or Val-tRNA(Ile)).UniRule annotation

    Sequence similaritiesi

    Belongs to the class-I aminoacyl-tRNA synthetase family. IleS type 1 subfamily.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG0060.
    HOGENOMiHOG000246402.
    KOiK01870.
    OMAiLGRRSCQ.
    OrthoDBiEOG644ZM1.

    Family and domain databases

    Gene3Di1.10.730.10. 1 hit.
    3.40.50.620. 2 hits.
    3.90.740.10. 1 hit.
    HAMAPiMF_02002. Ile_tRNA_synth_type1.
    InterProiIPR001412. aa-tRNA-synth_I_CS.
    IPR002300. aa-tRNA-synth_Ia.
    IPR002301. Ile-tRNA-ligase.
    IPR023585. Ile-tRNA-ligase_type1.
    IPR014729. Rossmann-like_a/b/a_fold.
    IPR009080. tRNAsynth_1a_anticodon-bd.
    IPR013155. V/L/I-tRNA-synth_anticodon-bd.
    IPR009008. Val/Leu/Ile-tRNA-synth_edit.
    IPR010663. Znf_DNA_glyclase/IsotRNA_synth.
    [Graphical view]
    PANTHERiPTHR11946:SF9. PTHR11946:SF9. 1 hit.
    PfamiPF08264. Anticodon_1. 1 hit.
    PF00133. tRNA-synt_1. 1 hit.
    PF06827. zf-FPG_IleRS. 1 hit.
    [Graphical view]
    PRINTSiPR00984. TRNASYNTHILE.
    SUPFAMiSSF47323. SSF47323. 1 hit.
    SSF50677. SSF50677. 1 hit.
    TIGRFAMsiTIGR00392. ileS. 1 hit.
    PROSITEiPS00178. AA_TRNA_LIGASE_I. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    A6QG93-1 [UniParc]FASTAAdd to Basket

    « Hide

    MDYKETLLMP KTDFPMRGGL PNKEPQIQEK WDAEDQYHKA LEKNKGNETF    50
    ILHDGPPYAN GNLHMGHALN KILKDFIVRY KTMQGFYAPY VPGWDTHGLP 100
    IEQALTKKGV DRKKMSTAEF REKCKEFALE QIELQKKDFR RLGVRGDFND 150
    PYITLKPEYE AAQIRIFGEM ADKGLIYKGK KPVYWSPSSE SSLAEAEIEY 200
    HDKRSASIYV AFDVKDDKGV VDADAKFIIW TTTPWTIPSN VAITVHPELK 250
    YGQYNVNGEK YIIAEALSDA VAEALDWDKA SIKLEKEYTG KELEYVVAQH 300
    PFLDRESLVI NGDHVTTDAG TGCVHTAPGH GEDDYIVGQK YELPVISPID 350
    DKGVFTEEGG QFEGMFYDKA NKAVTDLLTE KGALLKLDFI THSYPHDWRT 400
    KKPVIFRATP QWFASISKVR QDILDAIENT NFKVNWGKTR IYNMVRDRGE 450
    WVISRQRVWG VPLPVFYAEN GEIIMTKETV NHVADLFAEH GSNIWFEREA 500
    KDLLPEGFTH PGSPNGTFTK ETDIMDVWFD SGSSHRGVLE TRPELSFPAD 550
    MYLEGSDQYR GWFNSSITTS VATRGVSPYK FLLSHGFVMD GEGKKMSKSL 600
    GNVIVPDQVV KQKGADIARL WVSSTDYLAD VRISDEILKQ TSDVYRKIRN 650
    TLRFMLGNIN DFNPDTDSIP ESELLEVDRY LLNRLREFTA STINNYENFD 700
    YLNIYQEVQN FINVELSNFY LDYGKDILYI EQRDSHIRRS MQTVLYQILV 750
    DMTKLLAPIL VHTAEEVWSH TPHVKEESVH LADMPKVVEV DQALLDKWRT 800
    FMNLRDDVNR ALETARNEKV IGKSLEAKVT IASNDKFNAS EFLTSFDALH 850
    QLFIVSQVKV VDKLDDQATA YEHGDIVIEH ADGEKCERCW NYSEDLGAVD 900
    ELTHLCPRCQ QVVKSLV 917
    Length:917
    Mass (Da):104,886
    Last modified:August 21, 2007 - v1
    Checksum:i800E8384630FB0FC
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AP009351 Genomic DNA. Translation: BAF67375.1.
    RefSeqiYP_001332137.1. NC_009641.1.

    Genome annotation databases

    EnsemblBacteriaiBAF67375; BAF67375; NWMN_1103.
    GeneIDi5330678.
    KEGGisae:NWMN_1103.
    PATRICi19585763. VBIStaAur133992_1208.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AP009351 Genomic DNA. Translation: BAF67375.1 .
    RefSeqi YP_001332137.1. NC_009641.1.

    3D structure databases

    ProteinModelPortali A6QG93.
    SMRi A6QG93. Positions 1-917.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 426430.NWMN_1103.

    Proteomic databases

    PRIDEi A6QG93.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai BAF67375 ; BAF67375 ; NWMN_1103 .
    GeneIDi 5330678.
    KEGGi sae:NWMN_1103.
    PATRICi 19585763. VBIStaAur133992_1208.

    Phylogenomic databases

    eggNOGi COG0060.
    HOGENOMi HOG000246402.
    KOi K01870.
    OMAi LGRRSCQ.
    OrthoDBi EOG644ZM1.

    Enzyme and pathway databases

    BioCyci SAUR426430:GIXC-1126-MONOMER.

    Family and domain databases

    Gene3Di 1.10.730.10. 1 hit.
    3.40.50.620. 2 hits.
    3.90.740.10. 1 hit.
    HAMAPi MF_02002. Ile_tRNA_synth_type1.
    InterProi IPR001412. aa-tRNA-synth_I_CS.
    IPR002300. aa-tRNA-synth_Ia.
    IPR002301. Ile-tRNA-ligase.
    IPR023585. Ile-tRNA-ligase_type1.
    IPR014729. Rossmann-like_a/b/a_fold.
    IPR009080. tRNAsynth_1a_anticodon-bd.
    IPR013155. V/L/I-tRNA-synth_anticodon-bd.
    IPR009008. Val/Leu/Ile-tRNA-synth_edit.
    IPR010663. Znf_DNA_glyclase/IsotRNA_synth.
    [Graphical view ]
    PANTHERi PTHR11946:SF9. PTHR11946:SF9. 1 hit.
    Pfami PF08264. Anticodon_1. 1 hit.
    PF00133. tRNA-synt_1. 1 hit.
    PF06827. zf-FPG_IleRS. 1 hit.
    [Graphical view ]
    PRINTSi PR00984. TRNASYNTHILE.
    SUPFAMi SSF47323. SSF47323. 1 hit.
    SSF50677. SSF50677. 1 hit.
    TIGRFAMsi TIGR00392. ileS. 1 hit.
    PROSITEi PS00178. AA_TRNA_LIGASE_I. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Genome sequence of Staphylococcus aureus strain Newman and comparative analysis of staphylococcal genomes: polymorphism and evolution of two major pathogenicity islands."
      Baba T., Bae T., Schneewind O., Takeuchi F., Hiramatsu K.
      J. Bacteriol. 190:300-310(2008) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: Newman.

    Entry informationi

    Entry nameiSYI_STAAE
    AccessioniPrimary (citable) accession number: A6QG93
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: February 26, 2008
    Last sequence update: August 21, 2007
    Last modified: October 1, 2014
    This is version 57 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

    Documents

    1. Aminoacyl-tRNA synthetases
      List of aminoacyl-tRNA synthetase entries
    2. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3