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Q2FZ82

- SYI_STAA8

UniProt

Q2FZ82 - SYI_STAA8

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Protein

Isoleucine--tRNA ligase

Gene
ileS, SAOUHSC_01159
Organism
Staphylococcus aureus (strain NCTC 8325)
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 sitei554 – 5541Aminoacyl-adenylate By similarity
Binding sitei598 – 5981ATP By similarity
Metal bindingi886 – 8861Zinc By similarity
Metal bindingi889 – 8891Zinc By similarity
Metal bindingi906 – 9061Zinc By similarity
Metal bindingi909 – 9091Zinc 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

BioCyciSAUR93061:GIWJ-1113-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:SAOUHSC_01159
OrganismiStaphylococcus aureus (strain NCTC 8325)
Taxonomic identifieri93061 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesStaphylococcus
ProteomesiUP000008816: 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 – 917917Isoleucine--tRNA ligaseUniRule annotationPRO_1000022129Add
BLAST

Proteomic databases

PRIDEiQ2FZ82.

Interactioni

Subunit structurei

Monomer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi93061.SAOUHSC_01159.

Structurei

3D structure databases

ProteinModelPortaliQ2FZ82.
SMRiQ2FZ82. Positions 1-917.

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi57 – 6711"HIGH" regionUniRule annotationAdd
BLAST
Motifi595 – 5995"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.
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.

Q2FZ82-1 [UniParc]FASTAAdd to Basket

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MDYKETLLMP KTDFPMRGGL PNKEPQIQEK WDAEDQYHKA LEKNKGNETF    50
ILHDGPPYAN GNLHMGHALN KILKDFIVRY KTMQGFYAPY VPGWDTHGLP 100
IEQALTKKGV DRKKMSTAEF REKCKEFALE QIELQKKDFR RLGVRGDFND 150
PYITLKPEYE AAQIRIFGEM ADKGLIYKGK KPVYWSPSSE SSLAEAEIEY 200
HDKRSASIYV AFDVKDDKGV VDADAKFIIW TTTPWTIPSN VAITVHPELK 250
YGQYNVNGEK YIIAEALSDA VAEALDWDKA SIKLEKEYTG KELEYVVAQH 300
PFLDRESLVI NGDHVTTDAG TGCVHTAPGH GEDDYIVGQK YELPVISPID 350
DKGVFTEEGG QFEGMFYDKA NKAVTDLLTE KGALLKLDFI THSYPHDWRT 400
KKPVIFRATP QWFASISKVR QDILDAIENT NFKVNWGKTR IYNMVRDRGE 450
WVISRQRVWG VPLPVFYAEN GEIIMTKETV NHVADLFAEH GSNIWFEREA 500
KDLLPEGFTH PGSPNGTFTK ETDIMDVWFD SGSSHRGVLE TRPELSFPAD 550
MYLEGSDQYR GWFNSSITTS VATRGVSPYK FLLSHGFVMD GEGKKMSKSL 600
GNVIVPDQVV KQKGADIARL WVSSTDYLAD VRISDEILKQ TSDVYRKIRN 650
TLRFMLGNIN DFNPDTDSIP ESELLEVDRY LLNRLREFTA STINNYENFD 700
YLNIYQEVQN FINVELSNFY LDYGKDILYI EQRDSHIRRS MQTVLYQILV 750
DMTKLLAPIL VHTAEEVWSH TPHVKEESVH LADMPKVVEV DQALLDKWRT 800
FMNLRDDVNR ALETARNEKV IGKSLEAKVT IASNDKFNAS EFLTSFDALH 850
QLFIVSQVKV VDKLDDQATA YEHGDIVIEH ADGEKCERCW NYSEDLGAVD 900
ELTHLCPRCQ QVVKSLV 917
Length:917
Mass (Da):104,886
Last modified:March 21, 2006 - v1
Checksum:i800E8384630FB0FC
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000253 Genomic DNA. Translation: ABD30267.1.
RefSeqiYP_499699.1. NC_007795.1.

Genome annotation databases

EnsemblBacteriaiABD30267; ABD30267; SAOUHSC_01159.
GeneIDi3920911.
KEGGisao:SAOUHSC_01159.
PATRICi19579807. VBIStaAur99865_1062.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000253 Genomic DNA. Translation: ABD30267.1 .
RefSeqi YP_499699.1. NC_007795.1.

3D structure databases

ProteinModelPortali Q2FZ82.
SMRi Q2FZ82. Positions 1-917.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 93061.SAOUHSC_01159.

Proteomic databases

PRIDEi Q2FZ82.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABD30267 ; ABD30267 ; SAOUHSC_01159 .
GeneIDi 3920911.
KEGGi sao:SAOUHSC_01159.
PATRICi 19579807. VBIStaAur99865_1062.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci SAUR93061:GIWJ-1113-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 Staphylococcus aureus NCTC 8325 genome."
    Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J.
    (In) Fischetti V., Novick R., Ferretti J., Portnoy D., Rood J. (eds.); Gram positive pathogens, 2nd edition, pp.381-412, ASM Press, Washington D.C. (2006)
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: NCTC 8325.

Entry informationi

Entry nameiSYI_STAA8
AccessioniPrimary (citable) accession number: Q2FZ82
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: March 21, 2006
Last modified: July 9, 2014
This is version 65 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, Reference 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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