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Q97AG7

- SYI_THEVO

UniProt

Q97AG7 - SYI_THEVO

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Protein
Isoleucine--tRNA ligase
Gene
ileS, TV0843, TVG0867938
Organism
Thermoplasma volcanium (strain ATCC 51530 / DSM 4299 / JCM 9571 / NBRC 15438 / GSS1)
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

Zinc By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei594 – 5941ATP By similarity

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-HAMAP
  2. aminoacyl-tRNA editing activity Source: InterPro
  3. isoleucine-tRNA ligase activity Source: UniProtKB-HAMAP
  4. zinc ion binding Source: UniProtKB-HAMAP
Complete GO annotation...

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

BioCyciTVOL273116:GC31-856-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:TV0843
ORF Names:TVG0867938
OrganismiThermoplasma volcanium (strain ATCC 51530 / DSM 4299 / JCM 9571 / NBRC 15438 / GSS1)
Taxonomic identifieri273116 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaThermoplasmataThermoplasmatalesThermoplasmataceaeThermoplasma
ProteomesiUP000001017: 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 – 10281028Isoleucine--tRNA ligaseUniRule annotation
PRO_0000098596Add
BLAST

Interactioni

Subunit structurei

Monomer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi273116.TVN0829.

Structurei

3D structure databases

ProteinModelPortaliQ97AG7.

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi51 – 6111"HIGH" regionUniRule annotation
Add
BLAST
Motifi591 – 5955"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.
KOiK01870.
OMAiRVEHMVE.

Family and domain databases

Gene3Di1.10.730.10. 1 hit.
3.40.50.620. 2 hits.
3.90.740.10. 1 hit.
HAMAPiMF_02003. Ile_tRNA_synth_type2.
InterProiIPR001412. aa-tRNA-synth_I_CS.
IPR002300. aa-tRNA-synth_Ia.
IPR002301. Ile-tRNA-ligase.
IPR023586. Ile-tRNA-ligase_type2.
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]
PfamiPF08264. Anticodon_1. 1 hit.
PF00133. tRNA-synt_1. 1 hit.
[Graphical view]
PRINTSiPR00984. TRNASYNTHILE.
SUPFAMiSSF47323. SSF47323. 2 hits.
SSF50677. SSF50677. 1 hit.
TIGRFAMsiTIGR00392. ileS. 1 hit.
PROSITEiPS00178. AA_TRNA_LIGASE_I. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q97AG7-1 [UniParc]FASTAAdd to Basket

« Hide

MQAQRYRLIE QGNTIMDIDN EILRYWNDHA INEKIFKKEG TKKFVFLEGP     50
PTANGRPHIG HAMTRTIKDI VLRYNTMTGH KIYRRYGGWD CHGLPVELEA 100
EKYFGFKTKS DIINYGVEKF NSYCRDSVFR YIDEWKTVDQ IIGFSIDHSG 150
DYITLRNEYI ESEWYVLKYI YENGLLYKDY TVVPYCPRCE TSLSSHEVAQ 200
GYKDVKDPSV YVRFKEKGSE NTYFVAWTTT PWTLPSNEFL VVNPDIEYSL 250
IEYNNAKYYV ASSRAQYIFK DFKVLKKMKG FELAGKGYEQ LLPFLDPPAG 300
ALRVVTGDFV TDIDGSGIVH AAPAFGSDDY QIGKRENVPI LNPVDKNGRF 350
SDERLPWYGK KVREANEDII VYLKNNGLLI KSEKYEHSYP FCYRCDTPLL 400
YYPLDAWFIR VSSVRDKLVE NNEKIRWKPD YLKHGRFGNF LDEAKDWNLS 450
RDRFWGTPLP VWRCRNNHVR FIGSRKEIEE MGATVPQDLH RPYIDEVKFV 500
CPDCGEEMRR EPYVIDTWFD SGSATYAAMH YPFEDNFDPS SDLPVSFITE 550
AIDQTRGWFY VLHVISTIMF NKNAYDSALS ISFILDEQGR KMSKSKGNSV 600
FALDYLKQVA PDSLRLFFLY GAPWKSKNLD RKIIDEVSRR VISTLLNVYS 650
FFAYNANIDG FEFKGILEAK DTLDKWLISK INTFIIESRR AYDDLDFHEV 700
VRLSMDFVDN LSNFYLRLSR RRFWAEDVTE DKLAAYSTLY TAIMTCSKVL 750
APIVPFVSDY LYLSLHGPYE SIHLDSFPEP DTSKIDHDLE KRMDQAYSVI 800
ETVRRIRQEI NIKGRQPVKE ILLSGNIDPE IIPVVSQEVN AKEIRIVSSE 850
QRPLKYTVDL KMETAAPILR SSVNSVREAL KSIDGKAAFD AVQNGGKLRV 900
LDHELTGEML NISTIPDPDY GYSRDEKNGI DVFVNKRIDR NEYLEGLARE 950
IVRRIQLMRK EMNLDYTDRI NVWIDPVGDF SDAIDKFESY IKAETQCDSL 1000
NVGHTDDLRK WEIGDETIGI RIEKVVPK 1028
Length:1,028
Mass (Da):119,494
Last modified:October 1, 2001 - v1
Checksum:iABBBCD972B46641F
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000011 Genomic DNA. Translation: BAB59985.1.
RefSeqiNP_111348.1. NC_002689.2.

Genome annotation databases

EnsemblBacteriaiBAB59985; BAB59985; BAB59985.
GeneIDi1441935.
KEGGitvo:TVN0829.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000011 Genomic DNA. Translation: BAB59985.1 .
RefSeqi NP_111348.1. NC_002689.2.

3D structure databases

ProteinModelPortali Q97AG7.
ModBasei Search...

Protein-protein interaction databases

STRINGi 273116.TVN0829.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAB59985 ; BAB59985 ; BAB59985 .
GeneIDi 1441935.
KEGGi tvo:TVN0829.

Phylogenomic databases

eggNOGi COG0060.
KOi K01870.
OMAi RVEHMVE.

Enzyme and pathway databases

BioCyci TVOL273116:GC31-856-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_02003. Ile_tRNA_synth_type2.
InterProi IPR001412. aa-tRNA-synth_I_CS.
IPR002300. aa-tRNA-synth_Ia.
IPR002301. Ile-tRNA-ligase.
IPR023586. Ile-tRNA-ligase_type2.
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 ]
Pfami PF08264. Anticodon_1. 1 hit.
PF00133. tRNA-synt_1. 1 hit.
[Graphical view ]
PRINTSi PR00984. TRNASYNTHILE.
SUPFAMi SSF47323. SSF47323. 2 hits.
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: ATCC 51530 / DSM 4299 / JCM 9571 / NBRC 15438 / GSS1.

Entry informationi

Entry nameiSYI_THEVO
AccessioniPrimary (citable) accession number: Q97AG7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 20, 2005
Last sequence update: October 1, 2001
Last modified: May 14, 2014
This is version 77 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

Similar proteinsi