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A8FSI2

- SYI_SHESH

UniProt

A8FSI2 - SYI_SHESH

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Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Shewanella sediminis (strain HAW-EB3)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

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 sitei564 – 5641Aminoacyl-adenylateUniRule annotation
Binding sitei608 – 6081ATPUniRule 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
Complete GO annotation...

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

BioCyciSSED425104:GH7Q-1220-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:Ssed_1194
OrganismiShewanella sediminis (strain HAW-EB3)
Taxonomic identifieri425104 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaAlteromonadalesShewanellaceaeShewanella
ProteomesiUP000002015: Chromosome

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 940940Isoleucine--tRNA ligasePRO_1000088556Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi425104.Ssed_1194.

Structurei

3D structure databases

ProteinModelPortaliA8FSI2.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi58 – 6811"HIGH" regionAdd
BLAST
Motifi605 – 6095"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.
OMAiEPVMLKS.
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.

A8FSI2-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MSDYKSTLNL PETEFPMRGN LANREPVMLK SWTEDGLYQQ IRDSRIGRKP
60 70 80 90 100
FILHDGPPYA NGSIHIGHSV NKILKDIIVK SKTLSGFDAP YIPGWDCHGL
110 120 130 140 150
PIELKVEQKV GKPGHKVTAA QFREKCREYA AKQVDGQRED FIRLGVFADW
160 170 180 190 200
NKPYLTMDFD TEANIVRSLA KVIDSGHLHK GVKPVHWCTD CGSALAEAEV
210 220 230 240 250
EYEDKKSPAI DVAFAATDKA ALLAKFDVQD CTGSASMVIW TTTPWTLPAN
260 270 280 290 300
RALSVSPELD YVLVEFVKDG ATSTVILADA LVESCMERYG VESHKALGKA
310 320 330 340 350
KGQELELLRF NHPFYDFDVP VILGDHVTVD SGTGVVHTAP GHGQDDFVVG
360 370 380 390 400
QKYGLEVANP VGDNGVYKAD TEIFAGQHVF KANDNVVALL EEKGALIKHE
410 420 430 440 450
KIMHSYPHCW RHKTPIIFRA TPQWFISMDQ KGLRKQALGE IEQTQWIPDW
460 470 480 490 500
GQSRIEKMVE NRPDWCISRQ RTWGVPITLF VHRETEELHP DSISLMERVA
510 520 530 540 550
NRIEREGIQA WWDLDAQELL GDEAEQYRKV TDTLDVWYDS GSSFSSVVAS
560 570 580 590 600
RPEYQGHEID LYLEGSDQHR GWFMSSLMIS TAMNGKAPYK QVLTHGFTVD
610 620 630 640 650
GNGRKMSKSI GNVIAPQTVT NKLGADILRL WVAATDYSGE MTVSDEILKR
660 670 680 690 700
SADAYRRIRN TARFLLANIN GFDPVNDLVA VEEMVALDRW VVRRAAALQE
710 720 730 740 750
ELIEAYEQYN FHVVTQKLMQ FCSVELGSFY LDIIKDRQYT AKGDSVARRS
760 770 780 790 800
CQSALYLISE AMVRWIAPIL SFTADEIWQL LPGEREKYVF TQEWYQGLES
810 820 830 840 850
VTLDSDLSDE YWEQLLTVRG EVNKVIEQAR REKQIGGSLE AEITLYADDA
860 870 880 890 900
LSQALATLGD ELRFVLLTSK TQIVALSSAP ADAIETEMTS LKLGLHKAES
910 920 930 940
EKCERCWHHR EDVGQVEAHP TLCTRCVTNI EGDGEVRQFA
Length:940
Mass (Da):105,890
Last modified:November 13, 2007 - v1
Checksum:i927A9D0981B2A2BB
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000821 Genomic DNA. Translation: ABV35805.1.
RefSeqiYP_001472933.1. NC_009831.1.

Genome annotation databases

EnsemblBacteriaiABV35805; ABV35805; Ssed_1194.
GeneIDi5613824.
KEGGisse:Ssed_1194.
PATRICi23559708. VBISheSed62411_1264.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000821 Genomic DNA. Translation: ABV35805.1 .
RefSeqi YP_001472933.1. NC_009831.1.

3D structure databases

ProteinModelPortali A8FSI2.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 425104.Ssed_1194.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABV35805 ; ABV35805 ; Ssed_1194 .
GeneIDi 5613824.
KEGGi sse:Ssed_1194.
PATRICi 23559708. VBISheSed62411_1264.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci SSED425104:GH7Q-1220-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. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: HAW-EB3.

Entry informationi

Entry nameiSYI_SHESH
AccessioniPrimary (citable) accession number: A8FSI2
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: November 13, 2007
Last modified: October 29, 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