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Q9JXY7

- SYI_NEIMB

UniProt

Q9JXY7 - SYI_NEIMB

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Protein
Isoleucine--tRNA ligase
Gene
ileS, NMB1833
Organism
Neisseria meningitidis serogroup B (strain MC58)
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

Binds 1 zinc ion per subunit By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei563 – 5631Aminoacyl-adenylate By similarity
Binding sitei608 – 6081ATP By similarity
Metal bindingi892 – 8921Zinc By similarity
Metal bindingi895 – 8951Zinc By similarity
Metal bindingi912 – 9121Zinc By similarity
Metal bindingi915 – 9151Zinc 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

Enzyme and pathway databases

BioCyciNMEN122586:GHGG-1888-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:NMB1833
OrganismiNeisseria meningitidis serogroup B (strain MC58)
Taxonomic identifieri122586 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaNeisserialesNeisseriaceaeNeisseria
ProteomesiUP000000425: 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 – 929929Isoleucine--tRNA ligaseUniRule annotation
PRO_0000098429Add
BLAST

Interactioni

Subunit structurei

Monomer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi122586.NMB1833.

Structurei

3D structure databases

ProteinModelPortaliQ9JXY7.

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi58 – 6811"HIGH" regionUniRule annotation
Add
BLAST
Motifi605 – 6095"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.
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.

Q9JXY7-1 [UniParc]FASTAAdd to Basket

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MTDYSKTVNL LESPFPMRGN LAKREPAWLK SWYEQKRYQK LREIAKGRPK    50
FILHDGPPYA NGDIHIGHAV NKILKDIIIR SKTQAGFDAP YVPGWDCHGL 100
PIEVMVEKLH GKDMPKARFR ELCREYAAEQ IARQKKDFIR LGVLGDWDHP 150
YLTMDFKTEA DTVRMLGEIY KSGYLYRGAK PVQFCLDCGS SLAEAEVEYK 200
DKISPAIDVA YLFKDTAALA AAFGLAGFEG KAFAVIWTTT PWTLPASQAV 250
SAGADVVYQL IDTPKGKLVL AKDLAEDALK RYGFSDGIAI LAETTGDKLE 300
NLHMNHPFLE RDIPMLNGEH VTTDAGTGLV HTAPAHGLED YAVCNKYGIE 350
LYNPVNAEGR YIGETPRVAG MRVWEANPVI LQWLEETGNL LASSKIEHSY 400
AHCWRHKTPL IYRATGQWFV GMDKAGADGK TLRDKAIKAV DDTEFFPSWG 450
RARLEAMIEG RPDWVVSRQR YWGTPMTFFV HKETGELHPN SAELLEKVAL 500
KIEEKGIEAW FSLDKSELLS AEDCENYDKL SDTMDVWFDS GSTHYSVVKQ 550
REELEWPADL YLEGSDQHRG WFQSSMLTGC ASSMGRAPYK QLLTHGFVVD 600
GEGKKMSKSI GNVVAPQEVY NEFGADILRL WAASTDYSGE LAISKEILKR 650
VTESYRRIRN TLSFLFANLS DFNPIEDAVQ QADMVEIDRY AVVLARQLQE 700
CLAGDYYPRY AFHFAVKDIV SFCSEDLGAF YLDILKDRLY TTKADSHARR 750
SAQTALYHIT RSLVLLIAPI LCFTGEEAWD IIGGGEEDSV LFHTWHEFPT 800
INEKTEAELV KKWTAIREAR EAVTAAIEPL RADKTVGSSL QAEAEITAPE 850
EMAGYLNALG EELRFALLVS KAEVKVGSEL AVAAKASDGE KCERCWHYTR 900
DVGAVAGYET VCKRCAENVG GEGETRHYA 929
Length:929
Mass (Da):104,199
Last modified:October 1, 2000 - v1
Checksum:i5D942C44EEA516B6
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE002098 Genomic DNA. Translation: AAF42168.1.
PIRiG81036.
RefSeqiNP_274830.1. NC_003112.2.

Genome annotation databases

EnsemblBacteriaiAAF42168; AAF42168; NMB1833.
GeneIDi903267.
KEGGinme:NMB1833.
PATRICi20359667. VBINeiMen85645_2339.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE002098 Genomic DNA. Translation: AAF42168.1 .
PIRi G81036.
RefSeqi NP_274830.1. NC_003112.2.

3D structure databases

ProteinModelPortali Q9JXY7.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 122586.NMB1833.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAF42168 ; AAF42168 ; NMB1833 .
GeneIDi 903267.
KEGGi nme:NMB1833.
PATRICi 20359667. VBINeiMen85645_2339.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci NMEN122586:GHGG-1888-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. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: MC58.

Entry informationi

Entry nameiSYI_NEIMB
AccessioniPrimary (citable) accession number: Q9JXY7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 20, 2005
Last sequence update: October 1, 2000
Last modified: May 14, 2014
This is version 84 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

Similar proteinsi