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Q17ZG3

- SYI_HELAH

UniProt

Q17ZG3 - SYI_HELAH

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Protein

Isoleucine--tRNA ligase

Gene
ileS, Hac_0108
Organism
Helicobacter acinonychis (strain Sheeba)
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) By similarity.UniRule annotation

Catalytic activityi

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

Cofactori

Binds 1 zinc ion per subunit By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei569 – 5691Aminoacyl-adenylate By similarity
Binding sitei613 – 6131ATP By similarity
Metal bindingi895 – 8951Zinc By similarity
Metal bindingi898 – 8981Zinc By similarity
Metal bindingi910 – 9101Zinc By similarity
Metal bindingi913 – 9131Zinc By similarity

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

BioCyciHACI382638:GJAU-97-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Isoleucine--tRNA ligase (EC:6.1.1.5)
Alternative name(s):
Isoleucyl-tRNA synthetase
Short name:
IleRS
Gene namesi
Name:ileS
Ordered Locus Names:Hac_0108
OrganismiHelicobacter acinonychis (strain Sheeba)
Taxonomic identifieri382638 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaEpsilonproteobacteriaCampylobacteralesHelicobacteraceaeHelicobacter
ProteomesiUP000000775: Chromosome

Subcellular locationi

Cytoplasm By similarity UniRule annotation

GO - Cellular componenti

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

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 921921Isoleucine--tRNA ligaseUniRule annotationPRO_1000022077Add
BLAST

Interactioni

Subunit structurei

Monomer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi382638.Hac_0108.

Structurei

3D structure databases

ProteinModelPortaliQ17ZG3.

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi58 – 6811"HIGH" regionUniRule annotationAdd
BLAST
Motifi610 – 6145"KMSKS" regionUniRule annotation

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)) By similarity.UniRule annotation

Sequence similaritiesi

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.
[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.

Q17ZG3-1 [UniParc]FASTAAdd to Basket

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MKEYKDTLNL NTTTFSMKGN LSVNEPKTYA KWQEQQAFKR MQNRKDHHGD    50
FTLHDGPPYA NGHLHLGHAL NKILKDIVVK REYFKGKKVY FTPGWDCHGL 100
PIEQQILEQL EKEKTSLENP TLFREKCRDH AKKFLEIQKN EFLQLGVLGD 150
FEDPYKTMDF KFEASIYRAL VEVAKKGLLK ERHKPIYWSY ACESALAEAE 200
VEYKMKKSPS IFVAFGLKKE SLEKLKIKKA SLVIWTTTPW TLCANVAIAL 250
KKDALYALTQ KGYLVAKALH EKLVALGVVD SKITHEFNAN DLEYLVATNP 300
LNQRDSLVIL GEHVSLEDGT GAVHTAPGHG EDDYHLGLKY HLEVLMPVDE 350
KGCYDESIIH KKLLDESYLG EHIFKAQKRI MEQLGDSLLL EQEIEHSYPH 400
CWRTHKPVIY RATTQWFILM DEPFIQNDGS QKTLREVALN AIEKVEFVPS 450
SGKNRLKIMI ENRPDWCLSR QRKWGVPLAF FIDKRTNKPC FESEVLEHAA 500
NLFEEKGCDV WWEYDIKDLL PPSCQDNAKH YEKVMHILDV WFDSASTFKA 550
VLEDYHGEKG KSPSNVVLEG SDQHRGWFQS SLLLGCILNN QAPFKKVITH 600
GFIVDEKGEK MSKSKGNVVS LDNLLKKHGS DVVRLWVAFN DYQNDLRVSQ 650
TFFTQTEQHY KKFRNTLKFL LANFSDMDLK NLERSHDFSP LDHFLLETLE 700
TISNEVNSVF EEHDFVKGLN ILMAFVTNEL SGIYLDACKD SLYCDSISSE 750
KRQAIQMVLL VVASKLCYFL APILTHTIEE VLEHSEVLCA FLQAKDVFDL 800
KDINVLEKLH LKECKKPENF EALLALRSAF NEELDRLKKE GVVKNSLECT 850
IEVEEKALCE NLVEELLMVS SVGSANEKIS ETPTFTLFKA PFFKCPRCWR 900
FKSELENTPC KRCKQVLKER Q 921
Length:921
Mass (Da):106,190
Last modified:July 25, 2006 - v1
Checksum:i7D8E6D990DE08006
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AM260522 Genomic DNA. Translation: CAJ98963.1.
RefSeqiYP_663962.1. NC_008229.1.

Genome annotation databases

EnsemblBacteriaiCAJ98963; CAJ98963; Hac_0108.
GeneIDi4177677.
KEGGihac:Hac_0108.
PATRICi20584142. VBIHelAci71660_0104.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AM260522 Genomic DNA. Translation: CAJ98963.1 .
RefSeqi YP_663962.1. NC_008229.1.

3D structure databases

ProteinModelPortali Q17ZG3.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 382638.Hac_0108.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAJ98963 ; CAJ98963 ; Hac_0108 .
GeneIDi 4177677.
KEGGi hac:Hac_0108.
PATRICi 20584142. VBIHelAci71660_0104.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci HACI382638:GJAU-97-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. "Who ate whom? Adaptive Helicobacter genomic changes that accompanied a host jump from early humans to large felines."
    Eppinger M., Baar C., Linz B., Raddatz G., Lanz C., Keller H., Morelli G., Gressmann H., Achtman M., Schuster S.C.
    PLoS Genet. 2:1097-1110(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Sheeba.

Entry informationi

Entry nameiSYI_HELAH
AccessioniPrimary (citable) accession number: Q17ZG3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: July 25, 2006
Last modified: May 14, 2014
This is version 64 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

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