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B8D754

- SYI_BUCAT

UniProt

B8D754 - SYI_BUCAT

Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Buchnera aphidicola subsp. Acyrthosiphon pisum (strain Tuc7)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 41 (01 Oct 2014)
      Sequence version 1 (03 Mar 2009)
      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 sitei563 – 5631Aminoacyl-adenylateUniRule annotation
    Binding sitei607 – 6071ATPUniRule annotation
    Metal bindingi903 – 9031ZincUniRule annotation
    Metal bindingi906 – 9061ZincUniRule annotation
    Metal bindingi923 – 9231ZincUniRule annotation
    Metal bindingi926 – 9261ZincUniRule 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

    BioCyciBAPH561501:GHRN-146-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:BUAPTUC7_148
    OrganismiBuchnera aphidicola subsp. Acyrthosiphon pisum (strain Tuc7)
    Taxonomic identifieri561501 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeBuchnera
    ProteomesiUP000002455: 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 – 940940Isoleucine--tRNA ligasePRO_1000189134Add
    BLAST

    Interactioni

    Subunit structurei

    Monomer.UniRule annotation

    Protein-protein interaction databases

    STRINGi561501.BUAPTUC7_148.

    Structurei

    3D structure databases

    ProteinModelPortaliB8D754.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Motif

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Motifi58 – 6811"HIGH" regionAdd
    BLAST
    Motifi604 – 6085"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.
    OMAiKPVHWCL.
    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.

    B8D754-1 [UniParc]FASTAAdd to Basket

    « Hide

    MDDYKDTLNL PKTLFSMRGN LSKKEPNILK SWNENNLYKL IRKKNQEKKI    50
    FFLHDGPPYA NGNIHIGHAV NKILKDIIIK SKNMSGFDAP YIPSWDCHGL 100
    PIEQKVEEKI KSNQGEISTT EFQEKCRKYA QDQVEKQKKD FIRLGVIGDW 150
    DNPHLTMNFK NEANIIKTLS KIVQKKHLYQ DFKPIHWCLK CASSLSEAEI 200
    EYSKKKSDSI IVGFKFKYRS IIEKLFDFQI SNKKEIHLLI WTTTPWTLPS 250
    SKAISIHPDF QYQLIETERC YLIIAKELVE KTLNTLKIKK SIIRNYVKGR 300
    FLEKMICLHP FLKNIDLPVI LGKHVTLESG TGAVHTAPDH GLEDYIISQK 350
    YNIKTSNIVN FKGEYISNTH DKLDGVNVLE ANSIIIELLI KNNTFFHHES 400
    LIHSYPHCWR HKSPVIYRAT PQWFIDIDQK QLRIKLLQEI KKVRWIPEWG 450
    ESRIGEMIKK RPDWCISRQR KWGVPMSIFI HKNTRKIHPN TFVFMKKIAK 500
    KVELEGLQVW WNIDSKEILG EEYQSYEKIL DILDVWFESG NTHTTINYKN 550
    KNYTKKNADM FLEGSDQHRG WFMSSLIIST LISEKKPYSE VLTHGFVVDG 600
    KGQKMSKSIG NTISPNEIVD TLGADILRLW VASSNYSNDI SISNEILKSS 650
    SDIYRRIRNT ARFMLANISD FDPKKNIISK ENMVLLDKWA IGQTKIVQEE 700
    IIQHYNNYNF HAVIQRLMYF CSIEMGSFYL DIIKDRQYTL KKHSQERRSS 750
    QTAIYYIINS LVRWIAPILS FTADEIWSYL PENNSQYVFM EEWFDKLFYL 800
    DQDDLFNYQF WNEIITIKHE INKFLEEAIQ NKTINNSLET SIILYVSHEL 850
    SNKLKILEQE TKFIFLTSDI QIKLYDTAPK NAKKSKIVPY LKVSLEKIKG 900
    KKCPRCWHYF NFTKKNIKNS DICNRCILNT IGNGEKRIFI 940
    Length:940
    Mass (Da):110,485
    Last modified:March 3, 2009 - v1
    Checksum:iD5CDFBFFA98F2FB2
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP001158 Genomic DNA. Translation: ACL29969.1.
    RefSeqiYP_002468464.1. NC_011834.1.

    Genome annotation databases

    EnsemblBacteriaiACL29969; ACL29969; BUAPTUC7_148.
    GeneIDi7262814.
    KEGGibau:BUAPTUC7_148.
    PATRICi21248369. VBIBucAph26317_0143.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP001158 Genomic DNA. Translation: ACL29969.1 .
    RefSeqi YP_002468464.1. NC_011834.1.

    3D structure databases

    ProteinModelPortali B8D754.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 561501.BUAPTUC7_148.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai ACL29969 ; ACL29969 ; BUAPTUC7_148 .
    GeneIDi 7262814.
    KEGGi bau:BUAPTUC7_148.
    PATRICi 21248369. VBIBucAph26317_0143.

    Phylogenomic databases

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

    Enzyme and pathway databases

    BioCyci BAPH561501:GHRN-146-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. "The dynamics and time scale of ongoing genomic erosion in symbiotic bacteria."
      Moran N.A., McLaughlin H.J., Sorek R.
      Science 323:379-382(2009) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: Tuc7.

    Entry informationi

    Entry nameiSYI_BUCAT
    AccessioniPrimary (citable) accession number: B8D754
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: July 28, 2009
    Last sequence update: March 3, 2009
    Last modified: October 1, 2014
    This is version 41 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