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A3MYB6

- SYI_ACTP2

UniProt

A3MYB6 - SYI_ACTP2

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Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Actinobacillus pleuropneumoniae serotype 5b (strain L20)
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

Zn2+UniRule annotationNote: Binds 1 zinc ion per subunit.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei562 – 5621Aminoacyl-adenylateUniRule annotation
Binding sitei606 – 6061ATPUniRule annotation
Metal bindingi901 – 9011ZincUniRule annotation
Metal bindingi904 – 9041ZincUniRule annotation
Metal bindingi921 – 9211ZincUniRule annotation
Metal bindingi924 – 9241ZincUniRule 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

BioCyciAPLE416269:GHV7-44-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:APL_0044
OrganismiActinobacillus pleuropneumoniae serotype 5b (strain L20)
Taxonomic identifieri416269 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPasteurellalesPasteurellaceaeActinobacillus
ProteomesiUP000001432: 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 – 938938Isoleucine--tRNA ligasePRO_1000022036Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi416269.APL_0044.

Structurei

3D structure databases

ProteinModelPortaliA3MYB6.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi58 – 6811"HIGH" regionAdd
BLAST
Motifi603 – 6075"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.

A3MYB6-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MIDYKNTLNL PETGFPMRGD LAKREPDMLK NWYDKNLYQK VRESSKGKKS
60 70 80 90 100
FILHDGPPYA NGNIHIGHAV NKILKDIIMK SKTALGFDTP YVPGWDCHGL
110 120 130 140 150
PIELKVEGIV GKPNEKISAA EFRQACRDYA KEQVEGQKAD FIRMGILGDW
160 170 180 190 200
DNPYLTMNFD TEAHIIRTLG KVIANGHLYK GSKPVHWCLD CGSSLAEAEV
210 220 230 240 250
EYEDKVSPSI YVRFKAIDSA AVEAKFNAVG KGSGQISAVI WTTTPWTLPS
260 270 280 290 300
NKAISINPEF DYQLVQFGDE RVVLVKDLVE SVQKAVGVES VEVLGEVKGD
310 320 330 340 350
ALELMQFQHP FYDYSVPLIL GDHVTTDGGT GLVHTAPDHG QDDFVVSKKY
360 370 380 390 400
NIEMAGLVAN DGKFISSTPF FAGLGVFESN EKVLEKLKEV GALLKLERIK
410 420 430 440 450
HSYPHCWRHK TPIIFRATPQ WFIGMETQGL REQALGEIKS VRWIPSWGEA
460 470 480 490 500
RIDTMVANRP DWCISRQRTW GVPMTMFVHN ETEELHPRTL EILESVAKRV
510 520 530 540 550
EEKGIQAWWD LDPVEVLGEE DAKNYRKVPD TLDVWFDSGS TYASVVEARP
560 570 580 590 600
EFNGNSTDMY LEGSDQHRGW FMSSLMLSTA TNGKAPYKQV LTHGFVVDEK
610 620 630 640 650
GRKMSKSLGN VIVPSEVWNK NGADILRLWV ASTDYTGEIA VSHNILNSAG
660 670 680 690 700
ESYRRIRNTA RFLLANLNGF DPKRDLVKPE EMIALDRWAV SCALEAQNDI
710 720 730 740 750
KEAYDNYQFH TVVQRLMRFC SIEMGSFYLD IIKDRQYTTK ADSLARRSCQ
760 770 780 790 800
TALWHIAEAL VRWMAPILSF TADEIWSYLP QVEGRSEFVF TEEFYEGLFG
810 820 830 840 850
LTEADKLDDA YWQQILKVRA ESNRVLEQAR KDKVIGSGLE AKVTLYANNE
860 870 880 890 900
IRAMLEQLGN ELRFVLITSQ AIIKPLSEAD VAEGEMAGLA VKVERAEGEK
910 920 930
CPRCWHFATD IGTHTEHSSV CGRCVENVAG EGEKRSFA
Length:938
Mass (Da):105,762
Last modified:April 3, 2007 - v1
Checksum:i0525D82650508888
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000569 Genomic DNA. Translation: ABN73152.1.
RefSeqiYP_001052757.1. NC_009053.1.

Genome annotation databases

EnsemblBacteriaiABN73152; ABN73152; APL_0044.
GeneIDi4849600.
KEGGiapl:APL_0044.
PATRICi20744864. VBIActPle94089_0046.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000569 Genomic DNA. Translation: ABN73152.1 .
RefSeqi YP_001052757.1. NC_009053.1.

3D structure databases

ProteinModelPortali A3MYB6.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 416269.APL_0044.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABN73152 ; ABN73152 ; APL_0044 .
GeneIDi 4849600.
KEGGi apl:APL_0044.
PATRICi 20744864. VBIActPle94089_0046.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci APLE416269:GHV7-44-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. "The complete genome sequence of Actinobacillus pleuropneumoniae L20 (serotype 5b)."
    Foote S.J., Bosse J.T., Bouevitch A.B., Langford P.R., Young N.M., Nash J.H.E.
    J. Bacteriol. 190:1495-1496(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: L20.

Entry informationi

Entry nameiSYI_ACTP2
AccessioniPrimary (citable) accession number: A3MYB6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: April 3, 2007
Last modified: November 26, 2014
This is version 59 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