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P0C123

- SYI_BRUAB

UniProt

P0C123 - SYI_BRUAB

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Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Brucella abortus biovar 1 (strain 9-941)
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

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei603 – 6031Aminoacyl-adenylateUniRule annotation
Binding sitei647 – 6471ATPUniRule 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

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, Nucleotide-binding

Enzyme and pathway databases

BioCyciBABO262698:GJC2-2406-MONOMER.
RETL1328306-WGS:GSTH-845-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:BruAb2_0197
OrganismiBrucella abortus biovar 1 (strain 9-941)
Taxonomic identifieri262698 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesBrucellaceaeBrucella
ProteomesiUP000000540: Chromosome II

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 – 972972Isoleucine--tRNA ligasePRO_0000098361Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi262698.BruAb2_0197.

Structurei

3D structure databases

ProteinModelPortaliP0C123.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi63 – 7311"HIGH" regionAdd
BLAST
Motifi644 – 6485"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.
OMAiARYDFLA.
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.
[Graphical view]
PANTHERiPTHR11946:SF9. PTHR11946:SF9. 1 hit.
PfamiPF08264. Anticodon_1. 1 hit.
PF00133. tRNA-synt_1. 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.

P0C123-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MTDTTKIDYS KTLYLPQTEF PMRAGLPQRE PLFVQRWEEM NLYKKLREQA
60 70 80 90 100
KDRPLYVLHD GPPYANGNIH IGHALNKILK DVITRSFQMR GYNSNYVPGW
110 120 130 140 150
DCHGLPIEWK IEEKYRAAGK NKDEVPINEF RKECREFASN WIKVQTEEFK
160 170 180 190 200
RLAILGDFEN PYTTMNFHAE ARIAGELLKF AASGQLYRGS KPVMWSVVER
210 220 230 240 250
TALAEAEVEY HDIESDMIWV KFPVAGEVAT ENDLSGSAVV IWTTTPWTIP
260 270 280 290 300
GNRAVSYSSR IEYGLFEITE AENDFGPRPG ERLVFADKLV EECCAKAKLQ
310 320 330 340 350
FKRLRSVSAE ELGKIVLDHP LKGFGGGYEF VVPMLDGDHV TDDAGTGFVH
360 370 380 390 400
TAPSHGREDF EAWMDNARQL EARGIDPNIP FPVGDDGFYT KDAPGFGPDR
410 420 430 440 450
EGGPARVIDD NGKKGDANKV VIEQLIAADK LFARGRLKHS YPHSWRSKKP
460 470 480 490 500
VIFRNTPQWF VYMDKNLGDG TTLRSRALKA IDETRFVPAA GQTRLRSMIE
510 520 530 540 550
GRPDWVLSRQ RAWGVPICVF VDEEGNILQD DAVNKRIMDA FEKEGADAWF
560 570 580 590 600
ADGARERFLG ARAGEGWTQV RDILDVWFDS GSTHTFTLED RPDLKWPADV
610 620 630 640 650
YLEGSDQHRG WFHSSLLESC GTRGRAPYNA VVTHGFTMDE HGKKMSKSLG
660 670 680 690 700
NTVTPQDVIK ESGADILRLW VMTTDYWEDQ RLGKSIIQTN IDAYRKLRNT
710 720 730 740 750
IRWMLGTLAH DEGENVAYAD LPELERLMLH RLTELDELVR SGYDTFDFKR
760 770 780 790 800
IARALVDFMN VELSAFYFDI RKDALYCDAP SSIRRKAALQ TVREIFVRLT
810 820 830 840 850
TWLAPMLPFT MEEAWLDRYP QSVSIHAEQF RPTPAEWRDD VLAEKWRKVR
860 870 880 890 900
AVRRVVTGAL ELERADKRIG SSLEAAPVVY IADKSLSDSL EGLDFAEICI
910 920 930 940 950
TSGISVSDAA APEGAFTLGD VKGVAVVPER AKGEKCARSW RYTTDVGADP
960 970
EFPEVSARDA AALRELQALG KL
Length:972
Mass (Da):110,042
Last modified:February 7, 2006 - v1
Checksum:i439543DEDCC20013
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE017224 Genomic DNA. Translation: AAX75641.1.
RefSeqiYP_223002.1. NC_006933.1.

Genome annotation databases

EnsemblBacteriaiAAX75641; AAX75641; BruAb2_0197.
GeneIDi3342339.
KEGGibmb:BruAb2_0197.
PATRICi17826600. VBIBruAbo15061_2485.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE017224 Genomic DNA. Translation: AAX75641.1 .
RefSeqi YP_223002.1. NC_006933.1.

3D structure databases

ProteinModelPortali P0C123.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 262698.BruAb2_0197.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAX75641 ; AAX75641 ; BruAb2_0197 .
GeneIDi 3342339.
KEGGi bmb:BruAb2_0197.
PATRICi 17826600. VBIBruAbo15061_2485.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci BABO262698:GJC2-2406-MONOMER.
RETL1328306-WGS:GSTH-845-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.
[Graphical view ]
PANTHERi PTHR11946:SF9. PTHR11946:SF9. 1 hit.
Pfami PF08264. Anticodon_1. 1 hit.
PF00133. tRNA-synt_1. 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. "Completion of the genome sequence of Brucella abortus and comparison to the highly similar genomes of Brucella melitensis and Brucella suis."
    Halling S.M., Peterson-Burch B.D., Bricker B.J., Zuerner R.L., Qing Z., Li L.-L., Kapur V., Alt D.P., Olsen S.C.
    J. Bacteriol. 187:2715-2726(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: 9-941.

Entry informationi

Entry nameiSYI_BRUAB
AccessioniPrimary (citable) accession number: P0C123
Secondary accession number(s): Q579P3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 7, 2006
Last sequence update: February 7, 2006
Last modified: October 29, 2014
This is version 57 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. Brucella abortus strain 9-941
    Brucella abortus (strain 9-941): entries and gene names
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3