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Q92H19

- SYI_RICCN

UniProt

Q92H19 - SYI_RICCN

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Protein
Isoleucine--tRNA ligase
Gene
ileS, RC0953
Organism
Rickettsia conorii (strain ATCC VR-613 / Malish 7)
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 sitei616 – 6161ATP 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

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

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:RC0953
OrganismiRickettsia conorii (strain ATCC VR-613 / Malish 7)
Taxonomic identifieri272944 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRickettsialesRickettsiaceaeRickettsieaeRickettsiaspotted fever group
ProteomesiUP000000816: 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 – 10921092Isoleucine--tRNA ligaseUniRule annotation
PRO_0000098558Add
BLAST

Interactioni

Subunit structurei

Monomer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi272944.RC0953.

Structurei

3D structure databases

ProteinModelPortaliQ92H19.

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi53 – 6311"HIGH" regionUniRule annotation
Add
BLAST
Motifi613 – 6175"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.
HOGENOMiHOG000246403.
KOiK01870.
OMAiRVEHMVE.
OrthoDBiEOG644ZM1.

Family and domain databases

Gene3Di1.10.730.10. 2 hits.
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.

Q92H19-1 [UniParc]FASTAAdd to Basket

« Hide

MTNTKYYPEV SSNADFAGLE REILKFWQDN NIFQKSIDDR NGESEFIFYD     50
GPPFANGLPH YGHLLTGFIK DVYARYQTIK GKKVERRFGW DCHGLPAEMQ 100
SEKELGISGR LAIANFGIEK FNAHCRASVM KYANDWEEYV TRQARWVDFK 150
NSYKTMDKNF MESVLWAFKE LYNKGLLYES MRVMPYSWAC ETPLSNFETR 200
LDNSYRERAD KAVTVSFVLS HPVTTTTGSF KEYRILAWTT TPWTLPSNLA 250
LAVGSDIDYA LVPKNDVCYI IAAYSVSKYA KELGLSGEEN FEIIKGSALQ 300
GLNYKSLFDY FENHPNSFKI FAGDFVVEGD GTGVVHMAPG FGEDDQILCE 350
SKGIELVCPV DNSGKFTKEI PDLEGLQVFD ANDKIIIKLK EQGNWLKTEQ 400
YIHNYPHCWR TDTPLIYKAV PSWYVKVTQF KDRMVELNQQ INWIPFHVKD 450
NLFGKWLENA RDWSISRNRF WGTPLPVWKS DDPKYPRIDV YGSIEELEKD 500
FGVKVTDLHR PFIDELTRPN PDDPTGKSTM RRIEDVFDCW FESGSMPYGQ 550
AHYPFENKEW FEDHFPADFI VEYSAQTRGW FYTLMVLSTA LFDRPPFLNC 600
ICHGVILDST GQKLSKRLNN YADPLELFDK YGSDALRVTM LSSNVVKGQE 650
LLIDKDGKMV FDTLRLFIKP IWNAYHFFTM YANADSLKGK LNFSSKNVLD 700
VYILSKLKIA VQKIEESLDN FDTQTAYHAV SAFFEVLNNW YIRRSRARFW 750
KSAKDTDKQN AYNTLYSCLD TMAIAMSALV PMISEAIYKG LRHCEERNDT 800
ALSGKSNIIA RKDTSLDKAI SGVSHKIATA LSVPRNDAIS VHLCNYPTLS 850
DFEINHELVA TMDNVLDICS NSLFIRSTEN IRVRQPLASI AIISKHNNNL 900
KDFEDLIKDE INVKAVIYRD DLENYASKKL SINFPMLGKR LPHKMKEIIA 950
ASKKGEWEAI TGGLAICGET LNSDEYKLVL EPYSHIKGAA SFENNSSLLI 1000
LDLELTPELI EEGYARDIVR FIQQARKDAD FSITDRILIE IISEFNLSKI 1050
IDNYGDFIKE QTLGEFAKNF TPDYVSKVAL ENHQIQLKVK KS 1092
Length:1,092
Mass (Da):125,342
Last modified:December 20, 2005 - v2
Checksum:i97E4CE3E51AB91DD
GO

Sequence cautioni

The sequence AAL03491.1 differs from that shown. Reason: Erroneous initiation.

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE006914 Genomic DNA. Translation: AAL03491.1. Different initiation.
PIRiA97819.
RefSeqiNP_360590.2. NC_003103.1.

Genome annotation databases

EnsemblBacteriaiAAL03491; AAL03491; RC0953.
GeneIDi927861.
KEGGirco:RC0953.
PATRICi17889296. VBIRicCon45613_1086.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE006914 Genomic DNA. Translation: AAL03491.1 . Different initiation.
PIRi A97819.
RefSeqi NP_360590.2. NC_003103.1.

3D structure databases

ProteinModelPortali Q92H19.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 272944.RC0953.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAL03491 ; AAL03491 ; RC0953 .
GeneIDi 927861.
KEGGi rco:RC0953.
PATRICi 17889296. VBIRicCon45613_1086.

Phylogenomic databases

eggNOGi COG0060.
HOGENOMi HOG000246403.
KOi K01870.
OMAi RVEHMVE.
OrthoDBi EOG644ZM1.

Family and domain databases

Gene3Di 1.10.730.10. 2 hits.
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 VR-613 / Malish 7.

Entry informationi

Entry nameiSYI_RICCN
AccessioniPrimary (citable) accession number: Q92H19
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 20, 2005
Last sequence update: December 20, 2005
Last modified: May 14, 2014
This is version 74 of the entry and version 2 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. Rickettsia conorii
    (strain Malish 7): entries and gene names
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi