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A7I1S7

- SYI_CAMHC

UniProt

A7I1S7 - SYI_CAMHC

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Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Campylobacter hominis (strain ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A)
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 sitei569 – 5691Aminoacyl-adenylateUniRule annotation
Binding sitei613 – 6131ATPUniRule annotation
Metal bindingi896 – 8961ZincUniRule annotation
Metal bindingi899 – 8991ZincUniRule annotation
Metal bindingi911 – 9111ZincUniRule annotation
Metal bindingi914 – 9141ZincUniRule 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

BioCyciCHOM360107:GHCX-910-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:CHAB381_0906
OrganismiCampylobacter hominis (strain ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A)
Taxonomic identifieri360107 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaEpsilonproteobacteriaCampylobacteralesCampylobacteraceaeCampylobacter
ProteomesiUP000002407: 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 – 921921Isoleucine--tRNA ligasePRO_1000022055Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi360107.CHAB381_0906.

Structurei

3D structure databases

ProteinModelPortaliA7I1S7.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi59 – 6911"HIGH" regionAdd
BLAST
Motifi610 – 6145"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.
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.

A7I1S7-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MDYKDTLFLP TTDFAMRGNL PQNEPKRFKA WYNERKVYEK MKAKRQSAGV
60 70 80 90 100
SFNLHDGPPY ANGHLHIGHA LNKILKDIIV KTHYFAGENV RYVPGWDCHG
110 120 130 140 150
LPIEQQIEIK LGGKKNETSK TKIREMCRAH AREFINIQRD EFKDMGIIGD
160 170 180 190 200
WDDPYITMKF KFEAEIYKGL CEIAKKGLLI ERSKPVFWSW AAGSALAEAE
210 220 230 240 250
VEYKDKEDYS IYIAFDLSDE ANKKIGAKGA KAVIWTTTPW TIPANQAICL
260 270 280 290 300
NPDEIYVLTS ENFIFAKHLL ENLVQKGISK GKIVKEFASG ELENLYAKNP
310 320 330 340 350
LNDRPSKFIL GEHVLMDGGT GLVHTAPGHG EDDYYVSLKY GIETIMPVDD
360 370 380 390 400
AGKYDETIKT KKLFRDNVVD EFVGMHIFKA NEKIVELLGD AVVSVGKFTH
410 420 430 440 450
SYPYCWRTHK PVIYRATKQW FIAMDKPFKD GKTLREVALN ALKEVKFYPE
460 470 480 490 500
VGRNRITSMI ENRPDWCISR QRDWGVPIAF FRDKATKEPI FDDEILNNIY
510 520 530 540 550
EIFKEKGADA WWELDIGELL PKNCKYEAKN LEKVVDILDV WFDSGSTWRA
560 570 580 590 600
VLKSGDYDAG EFRADMYLEG SDQHRGWFQS SLLVSSAINE TAPYKSILTH
610 620 630 640 650
GFTVDEKGQK MSKSVGNVIA PQEVAKKYGV EIMRLWVGLS DYSSDLKISD
660 670 680 690 700
NILKQVSEQY RKIRNTIRFL LANVSDLKEI ETNNFTMLDK WILSKANIAF
710 720 730 740 750
EETNRAFRNY DFSKGFSVLL NFLSADLSGI YLDVCKDRLY CDELDSSRRR
760 770 780 790 800
SAQSTMVLIT RTLLPLIAPT LTYTVDEVME FAPEIVKNGK KDAFDLVYEP
810 820 830 840 850
LEFEDFKKNE TGELFIESRA KFFEIIDTLK KEKKIKSTLE LVLETSSNEI
860 870 880 890 900
LSHDLDEICD WYMVSHMRSI ESRDFLAEFK VEDETFRLVL SDHHKCPRCW
910 920
KFDAKNEDEL CPRCQKVLNV K
Length:921
Mass (Da):106,166
Last modified:September 11, 2007 - v1
Checksum:iFEB0BE766577CAF5
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000776 Genomic DNA. Translation: ABS51595.1.
RefSeqiWP_012108759.1. NC_009714.1.
YP_001406468.1. NC_009714.1.

Genome annotation databases

EnsemblBacteriaiABS51595; ABS51595; CHAB381_0906.
GeneIDi5409280.
KEGGicha:CHAB381_0906.
PATRICi20039946. VBICamHom81367_0869.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000776 Genomic DNA. Translation: ABS51595.1 .
RefSeqi WP_012108759.1. NC_009714.1.
YP_001406468.1. NC_009714.1.

3D structure databases

ProteinModelPortali A7I1S7.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 360107.CHAB381_0906.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABS51595 ; ABS51595 ; CHAB381_0906 .
GeneIDi 5409280.
KEGGi cha:CHAB381_0906.
PATRICi 20039946. VBICamHom81367_0869.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci CHOM360107:GHCX-910-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. "Complete genome sequence of Campylobacter hominis ATCC BAA-381, a commensal isolated from the human gastrointestinal tract."
    Fouts D.E., Mongodin E.F., Puiu D., Sebastian Y., Miller W.G., Mandrell R.E., Nelson K.E.
    Submitted (JUL-2007) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A.

Entry informationi

Entry nameiSYI_CAMHC
AccessioniPrimary (citable) accession number: A7I1S7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: September 11, 2007
Last modified: October 29, 2014
This is version 53 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