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Q5NQQ7

- SYI_ZYMMO

UniProt

Q5NQQ7 - SYI_ZYMMO

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Protein

Isoleucine--tRNA ligase

Gene

ileS

Organism
Zymomonas mobilis subsp. mobilis (strain ATCC 31821 / ZM4 / CP4)
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 sitei589 – 5891Aminoacyl-adenylateUniRule annotation
Binding sitei633 – 6331ATPUniRule annotation
Metal bindingi915 – 9151ZincUniRule annotation
Metal bindingi918 – 9181ZincUniRule annotation
Metal bindingi932 – 9321ZincUniRule annotation
Metal bindingi935 – 9351ZincUniRule 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

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:ZMO0323
OrganismiZymomonas mobilis subsp. mobilis (strain ATCC 31821 / ZM4 / CP4)
Taxonomic identifieri264203 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaSphingomonadalesSphingomonadaceaeZymomonas
ProteomesiUP000001173: 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 – 941941Isoleucine--tRNA ligasePRO_0000098513Add
BLAST

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi264203.ZMO0323.

Structurei

3D structure databases

ProteinModelPortaliQ5NQQ7.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi69 – 7911"HIGH" regionAdd
BLAST
Motifi630 – 6345"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.
[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.

Q5NQQ7-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MSDQKSADAT QARDWRPTVF LPKTSFPMKA GLAKKEPEIL ARWQKEDLYQ
60 70 80 90 100
QLREQRKGAE RFILHDGPPY ANGDIHIGHA LNKILKDIIM RSQTLLGKDV
110 120 130 140 150
PYIPGWDCHG LPIEWKVEEQ FRKKKLNVDK DVNAVEFRQE CRKYAVHWVD
160 170 180 190 200
TQRQEFKRLG VLGEWDNPYL TMNFEAEAII AGELMRFSET GQIYRGAKPV
210 220 230 240 250
LWSVVEKTAL AEAEVDYADV DSTTIDLAFK ITDSKIPELV GGYAVIWTTT
260 270 280 290 300
PWTIPANRAL AYGPDIDYVL VDLNGKHYLF AEALLEDSLK RIGHEGDAPV
310 320 330 340 350
LWRGKGAELD GSIAQHPMFE KGGFFAEPRP FLGGSHVTTE AGTGIVHMAP
360 370 380 390 400
DYGEDDFLLC KAHNIDPVFA VEDDGRYRKD WLWMGGEGLV ISPKINAADG
410 420 430 440 450
PICSDLREVG ALLATSVLHH SYPHSWRSKA KLIYRCTPQW FIALDRPVEK
460 470 480 490 500
GAIAGKTLRE TALKAIDEVS WFPAKGKNRI QTMVEGRPDW VISRQRAWGV
510 520 530 540 550
PITLYVNRES GDYLRDPEVN ARILAAFRKE GADAWFKANH QLFLGDKYRL
560 570 580 590 600
EDYEPVNDIL DVWFDSGSTH AFVVEARYGE GTRAQLYLEG SDQHRGWFQS
610 620 630 640 650
SLLESCGSRG HAPYEAVLTH GFTLDGTGRK MSKSVGNVID PLKVINESGA
660 670 680 690 700
DILRMWVAST DYNEDVRISK EVLSGTSDGY RKLRNSFRYL LGALEGFSEE
710 720 730 740 750
EKVDLADLPE LEKYILHLLA ELDQALHESV NGFAFNRYLR LLSDFVNNDL
760 770 780 790 800
SAFFFDIRKD RLYCDVGEAA PQGTEERRAY RTVLDILFHA LVRYAAPILC
810 820 830 840 850
FTAEEVWLHR FPDAGSVHLS VWPEVDGQWK NAVLGEKWAV IREQRQIVTE
860 870 880 890 900
KIEPLRREKI VGSSLEAEVT LPVDAATAKI LSSVDFSEIC ITAKINLVDA
910 920 930 940
SDAAITVDRT QNHKCGRCWQ HLPEVEEDGA LCDRCKSVVG E
Length:941
Mass (Da):106,263
Last modified:February 1, 2005 - v1
Checksum:i645DF7E9C0E82279
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti92 – 943SQT → TKP in AAD56932. 1 PublicationCurated
Sequence conflicti140 – 1401E → K in AAD56932. 1 PublicationCurated
Sequence conflicti181 – 1811A → S in AAD56932. 1 PublicationCurated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF180145 Genomic DNA. Translation: AAD56932.1.
AE008692 Genomic DNA. Translation: AAV88947.1.
RefSeqiWP_011240252.1. NC_006526.2.
YP_162058.1. NC_006526.2.

Genome annotation databases

EnsemblBacteriaiAAV88947; AAV88947; ZMO0323.
GeneIDi3188160.
KEGGizmo:ZMO0323.
PATRICi32565986. VBIZymMob102260_0307.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF180145 Genomic DNA. Translation: AAD56932.1 .
AE008692 Genomic DNA. Translation: AAV88947.1 .
RefSeqi WP_011240252.1. NC_006526.2.
YP_162058.1. NC_006526.2.

3D structure databases

ProteinModelPortali Q5NQQ7.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 264203.ZMO0323.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAV88947 ; AAV88947 ; ZMO0323 .
GeneIDi 3188160.
KEGGi zmo:ZMO0323.
PATRICi 32565986. VBIZymMob102260_0307.

Phylogenomic databases

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

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

« Hide 'large scale' publications
  1. Lee H.J., Kang H.S.
    Submitted (AUG-1999) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: ATCC 31821 / ZM4 / CP4.
  2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 31821 / ZM4 / CP4.

Entry informationi

Entry nameiSYI_ZYMMO
AccessioniPrimary (citable) accession number: Q5NQQ7
Secondary accession number(s): Q9RNJ5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 20, 2005
Last sequence update: February 1, 2005
Last modified: November 26, 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, 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