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Q63BZ8

- SYI2_BACCZ

UniProt

Q63BZ8 - SYI2_BACCZ

Protein

Isoleucine--tRNA ligase 2

Gene

ileS2

Organism
Bacillus cereus (strain ZK / E33L)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 78 (01 Oct 2014)
      Sequence version 1 (25 Oct 2004)
      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

    Zinc.UniRule annotation

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Binding sitei593 – 5931ATPUniRule 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

    BioCyciBCER288681:GHG7-2050-MONOMER.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Isoleucine--tRNA ligase 2UniRule annotation (EC:6.1.1.5UniRule annotation)
    Alternative name(s):
    Isoleucyl-tRNA synthetase 2UniRule annotation
    Short name:
    IleRS 2UniRule annotation
    Gene namesi
    Name:ileS2UniRule annotation
    Ordered Locus Names:BCE33L1977
    OrganismiBacillus cereus (strain ZK / E33L)
    Taxonomic identifieri288681 [NCBI]
    Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesBacillaceaeBacillusBacillus cereus group
    ProteomesiUP000002612: 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 – 10331033Isoleucine--tRNA ligase 2PRO_0000098518Add
    BLAST

    Interactioni

    Subunit structurei

    Monomer.UniRule annotation

    Protein-protein interaction databases

    STRINGi288681.BCZK1977.

    Structurei

    3D structure databases

    ProteinModelPortaliQ63BZ8.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Motif

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Motifi47 – 5711"HIGH" regionAdd
    BLAST
    Motifi590 – 5945"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 2 subfamily.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG0060.
    KOiK01870.
    OMAiRVEHMVE.
    OrthoDBiEOG644ZM1.

    Family and domain databases

    Gene3Di1.10.730.10. 1 hit.
    3.40.50.620. 2 hits.
    3.90.740.10. 1 hit.
    HAMAPiMF_02003. Ile_tRNA_synth_type2.
    InterProiIPR001412. aa-tRNA-synth_I_CS.
    IPR002300. aa-tRNA-synth_Ia.
    IPR002301. Ile-tRNA-ligase.
    IPR023586. Ile-tRNA-ligase_type2.
    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]
    PfamiPF08264. Anticodon_1. 1 hit.
    PF00133. tRNA-synt_1. 1 hit.
    [Graphical view]
    PRINTSiPR00984. TRNASYNTHILE.
    SUPFAMiSSF47323. SSF47323. 2 hits.
    SSF50677. SSF50677. 1 hit.
    TIGRFAMsiTIGR00392. ileS. 1 hit.
    PROSITEiPS00178. AA_TRNA_LIGASE_I. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Q63BZ8-1 [UniParc]FASTAAdd to Basket

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    MKKVDVKESA VGRETRIRKQ WNEQSIFEQS IQNREGAQSF VFYEGPPTAN     50
    GLPHVGHALG RTIKDVVARY KTMAGYKVLR KAGWDTHGLP VELGVEKQLG 100
    ISGKHEIEEY GIEPFIKKCK ESVFTYEKQW REFTESIGYW VDMDDPYVTL 150
    ENPYIESVWH ILGTIHEKGL LYKGHRVSPY CPSCQTSLSS HEVAQGYKTV 200
    KDLSATVKFK VKDSENEYFL GWTTTPWTLP ANVALAVHPN MEYVKAKQEG 250
    HVYIVAKERV QDVLKENYEV LSVHKGEELL NISYTAPFPM KEVTNGYRVI 300
    GADFVTADSG TGLVHIAPAY GEDDYRVVQS EGLSFLHVVD EKGEYTEAVP 350
    FLKGKFVKDC DVDIVRYLAK EGLLYHKEKY EHSYPHCWRC DSPLLYYAGE 400
    SWLIRTTAIK DTFLQNNDSV TWYPDHMKHG RFGKFLENMV DWNISRNRYW 450
    GTPLNVWECE SCDHQFAPKS IDDLRKHSTK ETQEDLELHK PYVDEVQVCC 500
    EKCGGTMTRT PEVIDVWFDS GSMPFAQYHY PFENKELFEE QFPADVIAEG 550
    IDQTRGWFYS LLAVSALYTG KVPYKRVLSL GHVLDEEGQK MSKSKGNALD 600
    PVDLVNQFGA DALRWALLVD SAPWNAKRFS ERTVLEAKSK FVDTLVNVYS 650
    FYVLYANLDE YNPNETYDVK RTKLDEWVLS RLHSTTKKVR IALDDYQFTN 700
    AAREIAALVD EVSNWYVRRS RNRFWESGMN AEKAAAYETL HDVLVTISKL 750
    IAPFTPFVAE DIHLNLTGSS VHLEDYPVVN ESLLQPKLEA EMNAVLQVVE 800
    LGRSNRNQHS LKVKQPLAEL VLLEHNENDM DWESYRDIVM DELNVKAFHV 850
    ELDETKYTSY QLKLNFKTAG PKFGKNVNAV NGWLKQLSQD EVQNFVSTER 900
    AVYEVASGEE IVVTTEDVLV EKVAKSGFSN TTNGQYTVML DTNVTEELLQ 950
    EGVAREFIRA VQEYRKQLNL PVNLRVDVIL DTEEELQQTL TNHKELLEEN 1000
    LLVKQFTFGH LTNEDDELSL GETKVRIKLS ATK 1033
    Length:1,033
    Mass (Da):118,486
    Last modified:October 25, 2004 - v1
    Checksum:i2AE9F189D2EBC158
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP000001 Genomic DNA. Translation: AAU18279.1.
    RefSeqiYP_083569.1. NC_006274.1.

    Genome annotation databases

    EnsemblBacteriaiAAU18279; AAU18279; BCE33L1977.
    GeneIDi3024309.
    KEGGibcz:BCZK1977.
    PATRICi18887486. VBIBacCer95304_2082.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP000001 Genomic DNA. Translation: AAU18279.1 .
    RefSeqi YP_083569.1. NC_006274.1.

    3D structure databases

    ProteinModelPortali Q63BZ8.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 288681.BCZK1977.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai AAU18279 ; AAU18279 ; BCE33L1977 .
    GeneIDi 3024309.
    KEGGi bcz:BCZK1977.
    PATRICi 18887486. VBIBacCer95304_2082.

    Phylogenomic databases

    eggNOGi COG0060.
    KOi K01870.
    OMAi RVEHMVE.
    OrthoDBi EOG644ZM1.

    Enzyme and pathway databases

    BioCyci BCER288681:GHG7-2050-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_02003. Ile_tRNA_synth_type2.
    InterProi IPR001412. aa-tRNA-synth_I_CS.
    IPR002300. aa-tRNA-synth_Ia.
    IPR002301. Ile-tRNA-ligase.
    IPR023586. Ile-tRNA-ligase_type2.
    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 ]
    Pfami PF08264. Anticodon_1. 1 hit.
    PF00133. tRNA-synt_1. 1 hit.
    [Graphical view ]
    PRINTSi PR00984. TRNASYNTHILE.
    SUPFAMi SSF47323. SSF47323. 2 hits.
    SSF50677. SSF50677. 1 hit.
    TIGRFAMsi TIGR00392. ileS. 1 hit.
    PROSITEi PS00178. AA_TRNA_LIGASE_I. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: ZK / E33L.

    Entry informationi

    Entry nameiSYI2_BACCZ
    AccessioniPrimary (citable) accession number: Q63BZ8
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: December 20, 2005
    Last sequence update: October 25, 2004
    Last modified: October 1, 2014
    This is version 78 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