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C1CFN0

- SYI_STRZJ

UniProt

C1CFN0 - SYI_STRZJ

Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Streptococcus pneumoniae (strain JJA)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 43 (01 Oct 2014)
      Sequence version 1 (26 May 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 sitei554 – 5541Aminoacyl-adenylateUniRule annotation
    Binding sitei598 – 5981ATPUniRule annotation
    Metal bindingi888 – 8881ZincUniRule annotation
    Metal bindingi891 – 8911ZincUniRule annotation
    Metal bindingi908 – 9081ZincUniRule annotation
    Metal bindingi911 – 9111ZincUniRule 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

    BioCyciSPNE488222:GI12-1524-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:SPJ_1554
    OrganismiStreptococcus pneumoniae (strain JJA)
    Taxonomic identifieri488222 [NCBI]
    Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus
    ProteomesiUP000002206: 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 – 930930Isoleucine--tRNA ligasePRO_1000189205Add
    BLAST

    Interactioni

    Subunit structurei

    Monomer.UniRule annotation

    Protein-protein interaction databases

    STRINGi488222.SPJ_1554.

    Structurei

    3D structure databases

    ProteinModelPortaliC1CFN0.
    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.
    [Graphical view]
    PANTHERiPTHR11946:SF9. PTHR11946:SF9. 1 hit.
    PfamiPF08264. Anticodon_1. 1 hit.
    PF00133. tRNA-synt_1. 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.

    C1CFN0-1 [UniParc]FASTAAdd to Basket

    « Hide

    MKLKDTLNLG KTEFPMRAGL PTKEPVWQKE WEDAKLYQRR QELNQGKPHF    50
    TLHDGPPYAN GNIHVGHAMN KISKDIIVRS KSMSGFYAPF IPGWDTHGLP 100
    IEQVLSKQGV KRKEMDLVEY LKLCREYALS QVDKQREDFK RLGVSGDWEN 150
    PYVTLTPDYE AAQIRVFGEM ANKGYIYRGA KPVYWSWSSE SALAEAEIEY 200
    HDLVSTSLYY ANKVKDGKGV LDTDTYIVVW TTTPFTITAS RGLTVGADID 250
    YVLVQPAGEA RKFVVAAELL TSLSEKFGWA DVQVLETYRG QELNHIVTEH 300
    PWDTAVEELV ILGDHVTTDS GTGIVHTAPG FGEDDYNVGI ANNLEVAVTV 350
    DERGIMMKNA GPEFEGQFYE KVVPTVIEKL GNLLLAQEEI SHSYPFDWRT 400
    KKPIIWRAVP QWFASVSKFR QEILDEIEKV KFHSEWGKVR LYNMIRDRGD 450
    WVISRQRAWG VPLPIFYAED GTAIMVAETI EHVAQLFEEH GSSIWWERDA 500
    KDLLPEGFTH PGSPNGEFKK ETDIMDVWFD SGSSWNGVVV NRPELTYPAD 550
    LYLEGSDQYR GWFNSSLITS VANHGVAPYK QILSQGFALD GKGEKMSKSL 600
    GNTIAPSDVE KQFGAEILRL WVTSVDSSND VRISMDILSQ VSETYRKIRN 650
    TLRFLIANTS DFNPAQDTVA YDELRSVDKY MTIRFNQLVK TIRDAYADFE 700
    FLTIYKALVN FINVDLSAFY LDFAKDVVYI EGAKSLERRQ MQTVFYDILV 750
    KITKLLTPIL PHTAEEIWSY LEFETEDFVQ LSELPEVQTF ANQEEILDTW 800
    AAFMDFRGQA QKALEEARNA KVIGKSLEAH LTVYPNEVVK TLLEAVNSNV 850
    AQLLIVSELT IAEGPAPEAA LSFEDVAFTV ERAAGEVCDR CRRIDPTTAE 900
    RSYQAVICDH CASIVEENFA EAVAEGFEEK 930
    Length:930
    Mass (Da):105,397
    Last modified:May 26, 2009 - v1
    Checksum:i9494C0402335B1B9
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP000919 Genomic DNA. Translation: ACO19353.1.
    RefSeqiYP_002736601.1. NC_012466.1.

    Genome annotation databases

    EnsemblBacteriaiACO19353; ACO19353; SPJ_1554.
    GeneIDi7679934.
    KEGGisjj:SPJ_1554.
    PATRICi19698292. VBIStrPne71544_1625.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP000919 Genomic DNA. Translation: ACO19353.1 .
    RefSeqi YP_002736601.1. NC_012466.1.

    3D structure databases

    ProteinModelPortali C1CFN0.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 488222.SPJ_1554.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai ACO19353 ; ACO19353 ; SPJ_1554 .
    GeneIDi 7679934.
    KEGGi sjj:SPJ_1554.
    PATRICi 19698292. VBIStrPne71544_1625.

    Phylogenomic databases

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

    Enzyme and pathway databases

    BioCyci SPNE488222:GI12-1524-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.
    [Graphical view ]
    PANTHERi PTHR11946:SF9. PTHR11946:SF9. 1 hit.
    Pfami PF08264. Anticodon_1. 1 hit.
    PF00133. tRNA-synt_1. 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. "Complete genome sequence of Streptococcus pneumoniae strain JJA."
      Hotopp J.D., Censini S., Masignani V., Covacci A., Tettelin H.
      Submitted (DEC-2007) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: JJA.

    Entry informationi

    Entry nameiSYI_STRZJ
    AccessioniPrimary (citable) accession number: C1CFN0
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: July 28, 2009
    Last sequence update: May 26, 2009
    Last modified: October 1, 2014
    This is version 43 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