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Q5X6G6

- SYI_LEGPA

UniProt

Q5X6G6 - SYI_LEGPA

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Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Legionella pneumophila (strain Paris)
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 sitei559 – 5591Aminoacyl-adenylateUniRule annotation
Binding sitei603 – 6031ATPUniRule annotation
Metal bindingi894 – 8941ZincUniRule annotation
Metal bindingi897 – 8971ZincUniRule annotation
Metal bindingi914 – 9141ZincUniRule annotation
Metal bindingi917 – 9171ZincUniRule 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

BioCyciLPNE297246:GCO9-1278-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:lpp0999
OrganismiLegionella pneumophila (strain Paris)
Taxonomic identifieri297246 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaLegionellalesLegionellaceaeLegionella
ProteomesiUP000000610: Chromosome

Organism-specific databases

LegioListilpp0999.

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 – 931931Isoleucine--tRNA ligasePRO_0000098406Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi297246.lpp0999.

Structurei

3D structure databases

ProteinModelPortaliQ5X6G6.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi58 – 6811"HIGH" regionAdd
BLAST
Motifi600 – 6045"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.

Q5X6G6-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MAEYKDTLNL PNTSFPMKAS LSVREPEMLA DWQAKGIYQK IRKARVGSKR
60 70 80 90 100
FILHDGPPYA NGHLHCGHAL NKILKDIIIK SKTFSGFDAP FVPGWDCHGL
110 120 130 140 150
PIELNVEKKV GKAGSKISPR EFRAKCREYA ASQIDIQRDE FQRLGVLGDW
160 170 180 190 200
YNPYVTMDYH YEANIVRALG LMIKNGHLQQ GFKPVHWCID CGSALAEAEV
210 220 230 240 250
DYEDKTSPSI DVAFSAVNPS EFLNCFETQP AVKPLILPIW TTTPWTLPAN
260 270 280 290 300
EAVCLHPEID YALIDAGNSY YIVATDLVES VMARYGISHY KTSGSAKGRV
310 320 330 340 350
FEHFKLQHPF YKRQVPVVLA EHVTTESGTG CVHTAPAHGP DDYLVGQSYQ
360 370 380 390 400
LPLINPVMAN GCFAENVELF AGISVLKANE TILAVLSERN VLLASESIRH
410 420 430 440 450
SYPHCWRHKS PMIFLATPQW FISMDKSNLR QAIINEIDKV NWVPDWGKAR
460 470 480 490 500
ISNMVENRPD WCISRQRSWG TPMPLFVHKT TRELHPDTLE LIERVAVMIE
510 520 530 540 550
KSGIDAWFDL DSSELLGDDA KHYDKITDTM DVWLDSGISH YSVLKHNNDL
560 570 580 590 600
DFPADVYFEG SDQHRGWFNS SLTTAVAMYG VAPYKTVLTH GYTVDAEGKK
610 620 630 640 650
LSKSKGNYVA LDKLVNQHGA DILRLWVAST DYRHEVSISE EIIKRNADAY
660 670 680 690 700
RRIRNTARFL LANLFDFNPA SDCIEAKELL ELDRWALKRC QLLQEEIITA
710 720 730 740 750
YENYHFHLIY QKIHNFCAVD MGSFYLDLIK DRQYTTAKDS IARRSCQTAM
760 770 780 790 800
YHMVKAFTIW LAPILSFTAE EIWQTIPGNN SESIFIEHWY DAWPIIDAVN
810 820 830 840 850
MEDWEQLHIV RDEVNKALEE TRQRGEIGSA LAAEVTVYAD AKALPKLTRL
860 870 880 890 900
GEELRFLFIT SEAKACPISQ SPKGLAVTDC GVSIQVTASA HEKCARCWHR
910 920 930
REDVGQNQEH PELCLRCVGN ISGYHEERLY I
Length:931
Mass (Da):105,744
Last modified:November 23, 2004 - v1
Checksum:i77B18BB6C8C04521
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR628336 Genomic DNA. Translation: CAH12150.1.
RefSeqiYP_123327.1. NC_006368.1.

Genome annotation databases

EnsemblBacteriaiCAH12150; CAH12150; lpp0999.
GeneIDi3118229.
KEGGilpp:lpp0999.
PATRICi22322301. VBILegPne27771_1213.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR628336 Genomic DNA. Translation: CAH12150.1 .
RefSeqi YP_123327.1. NC_006368.1.

3D structure databases

ProteinModelPortali Q5X6G6.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 297246.lpp0999.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAH12150 ; CAH12150 ; lpp0999 .
GeneIDi 3118229.
KEGGi lpp:lpp0999.
PATRICi 22322301. VBILegPne27771_1213.

Organism-specific databases

LegioListi lpp0999.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci LPNE297246:GCO9-1278-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. "Evidence in the Legionella pneumophila genome for exploitation of host cell functions and high genome plasticity."
    Cazalet C., Rusniok C., Brueggemann H., Zidane N., Magnier A., Ma L., Tichit M., Jarraud S., Bouchier C., Vandenesch F., Kunst F., Etienne J., Glaser P., Buchrieser C.
    Nat. Genet. 36:1165-1173(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Paris.

Entry informationi

Entry nameiSYI_LEGPA
AccessioniPrimary (citable) accession number: Q5X6G6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 20, 2005
Last sequence update: November 23, 2004
Last modified: October 29, 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