ID U7MT63_9CORY Unreviewed; 1085 AA.
AC U7MT63;
DT 22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT 22-JAN-2014, sequence version 1.
DT 24-JAN-2024, entry version 52.
DE RecName: Full=Isoleucine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_02003};
DE EC=6.1.1.5 {ECO:0000256|HAMAP-Rule:MF_02003};
DE AltName: Full=Isoleucyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_02003};
DE Short=IleRS {ECO:0000256|HAMAP-Rule:MF_02003};
GN Name=ileS {ECO:0000256|HAMAP-Rule:MF_02003};
GN ORFNames=HMPREF1290_01349 {ECO:0000313|EMBL:ERS73349.1};
OS Corynebacterium sp. KPL1989.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales;
OC Corynebacteriaceae; Corynebacterium.
OX NCBI_TaxID=1203622 {ECO:0000313|EMBL:ERS73349.1, ECO:0000313|Proteomes:UP000017102};
RN [1] {ECO:0000313|EMBL:ERS73349.1, ECO:0000313|Proteomes:UP000017102}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KPL1989 {ECO:0000313|EMBL:ERS73349.1,
RC ECO:0000313|Proteomes:UP000017102};
RG The Broad Institute Genomics Platform;
RA Earl A., Ward D., Feldgarden M., Gevers D., Jacobson B., Goguen K.,
RA Pagano E., Lemon K.P., Young S.K., Zeng Q., Gargeya S., Fitzgerald M.,
RA Abouelleil A., Alvarado L., Berlin A.M., Chapman S.B., Gainer-Dewar J.,
RA Goldberg J., Gnerre S., Griggs A., Gujja S., Hansen M., Howarth C.,
RA Imamovic A., Ireland A., Larimer J., McCowan C., Murphy C., Pearson M.,
RA Poon T.W., Priest M., Roberts A., Saif S., Shea T., Sykes S., Wortman J.,
RA Nusbaum C., Birren B.;
RT "The Genome Sequence of Corynebacterium sp. KPL1989.";
RL Submitted (OCT-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS
CC can inadvertently accommodate and process structurally similar amino
CC acids such as valine, to avoid such errors it has two additional
CC distinct tRNA(Ile)-dependent editing activities. One activity is
CC designated as 'pretransfer' editing and involves the hydrolysis of
CC activated Val-AMP. The other activity is designated 'posttransfer'
CC editing and involves deacylation of mischarged Val-tRNA(Ile).
CC {ECO:0000256|ARBA:ARBA00025217, ECO:0000256|HAMAP-Rule:MF_02003}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-isoleucine + tRNA(Ile) = AMP + diphosphate + L-
CC isoleucyl-tRNA(Ile); Xref=Rhea:RHEA:11060, Rhea:RHEA-COMP:9666,
CC Rhea:RHEA-COMP:9695, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:58045, ChEBI:CHEBI:78442, ChEBI:CHEBI:78528,
CC ChEBI:CHEBI:456215; EC=6.1.1.5;
CC Evidence={ECO:0000256|ARBA:ARBA00000114, ECO:0000256|HAMAP-
CC Rule:MF_02003};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02003};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_02003}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_02003}.
CC -!- DOMAIN: IleRS has two distinct active sites: one for aminoacylation and
CC one for editing. The misactivated valine is translocated from the
CC active site to the editing site, which sterically excludes the
CC correctly activated isoleucine. The single editing site contains two
CC valyl binding pockets, one specific for each substrate (Val-AMP or Val-
CC tRNA(Ile)). {ECO:0000256|HAMAP-Rule:MF_02003}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC IleS type 2 subfamily. {ECO:0000256|ARBA:ARBA00007078,
CC ECO:0000256|HAMAP-Rule:MF_02003}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ERS73349.1}.
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DR EMBL; AXLR01000004; ERS73349.1; -; Genomic_DNA.
DR AlphaFoldDB; U7MT63; -.
DR PATRIC; fig|1203622.3.peg.1326; -.
DR eggNOG; COG0060; Bacteria.
DR HOGENOM; CLU_001493_1_1_11; -.
DR Proteomes; UP000017102; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0002161; F:aminoacyl-tRNA editing activity; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004822; F:isoleucine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:InterPro.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006428; P:isoleucyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR CDD; cd07961; Anticodon_Ia_Ile_ABEc; 1.
DR CDD; cd00818; IleRS_core; 1.
DR Gene3D; 3.40.50.620; HUPs; 2.
DR HAMAP; MF_02003; Ile_tRNA_synth_type2; 1.
DR InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR InterPro; IPR002300; aa-tRNA-synth_Ia.
DR InterPro; IPR033709; Anticodon_Ile_ABEc.
DR InterPro; IPR002301; Ile-tRNA-ligase.
DR InterPro; IPR023586; Ile-tRNA-ligase_type2.
DR InterPro; IPR013155; M/V/L/I-tRNA-synth_anticd-bd.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR InterPro; IPR009008; Val/Leu/Ile-tRNA-synth_edit.
DR NCBIfam; TIGR00392; ileS; 1.
DR PANTHER; PTHR42780:SF1; ISOLEUCINE--TRNA LIGASE, CYTOPLASMIC; 1.
DR PANTHER; PTHR42780; SOLEUCYL-TRNA SYNTHETASE; 1.
DR Pfam; PF08264; Anticodon_1; 1.
DR Pfam; PF19302; DUF5915; 1.
DR Pfam; PF00133; tRNA-synt_1; 1.
DR PRINTS; PR00984; TRNASYNTHILE.
DR SUPFAM; SSF47323; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR SUPFAM; SSF50677; ValRS/IleRS/LeuRS editing domain; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_02003};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_02003};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_02003};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_02003};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_02003};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_02003};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_02003}; Reference proteome {ECO:0000313|Proteomes:UP000017102};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_02003}.
FT DOMAIN 52..691
FT /note="Aminoacyl-tRNA synthetase class Ia"
FT /evidence="ECO:0000259|Pfam:PF00133"
FT DOMAIN 739..882
FT /note="Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase
FT anticodon-binding"
FT /evidence="ECO:0000259|Pfam:PF08264"
FT MOTIF 81..91
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02003"
FT MOTIF 657..661
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02003"
FT BINDING 660
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02003"
SQ SEQUENCE 1085 AA; 121695 MW; D3371F1AD0DBFC83 CRC64;
MAARNQDAKG RAVERQTEAI PANDHTAVGS VYPKVDMTDG TNSFPAMESI VQDYWNKDQT
FQASLDQRKD APEYIFYDGP PFANGLPHYG HLLTGYVKDI VPRYRTMAGN YVPRVFGWDC
HGLPAELEAE KQLGINQRHE VEEMGLEKFN EVCATSVLKY ADEWEAYVNR QARWVDFENG
YKTMDIEFME SVMWAFKELY DKGLIYQGFR VLPYSWAEHT SLSNQETRLD DSYKERQDPS
LTVSFPLTGA RSGSAAEKTL QENPLFGDVE AVAWTTTPWT LPSNSALAVN PKVTYTVVRV
GESGADGFAG KLLLLADDLR DAYLKELGKD HEVVLSLPGA DLVGFTYEPI FGYFPELKNG
YQILAADYVT TDGGTGVVHQ APAFGEDDMA TCQEADIELV IPVDADGEFT ADVPDYQGQL
VFDANKNIIR DLKQTGRVLR HQVIVHSYPH SWRSGQPLIY RAMPAWFVAV TKIRDRMVEL
NHNEIEWIPE HIRDGQFGKW LEGARDWNIS RSRYWGAPIP VWISDNEEYP RIDVYGSLDE
LERDFGVRPT SLHRPDIDEL TRPNPDDPTG QSTMRRVPDV LDCWFESGSM PFAQKHYPFE
NKDWFESHNP ADFIVEYSGQ TRGWFYLLHV LSTALFDRPA FKKVVAHGIV LGDDGLKMSK
SKGNYPDVNE VFDRDGSDAM RWFLMSSPIL RGGNLIVTEQ GIRDGVRQAI LPIWNAYTFL
QLYSSKPAQW SVDSTDVRDR YILAKTHDLV DAVDTALANT NIADATEAVR VYADALTNWY
VRRSRERFWE GDEANPEAFN TLYTVLEIVS RTVAPLLPHV AEVIYRGLTG ERSVHLADFP
AASDLPADDE LVHAMDYTRA VCSAASSVRK ANKLRNRLPL PKLLVAMPES AQLADFADII
RDEVNVNEVE LTDDVDSVGR FEVVVNAKVA GPRLGKDVQR AIKAVKSGNY ERSGGLVLAD
GVELREGEYT ERLVAADADS TAQIAGREGL VVLDMTVTEE LEAKGWAADV IRGIQDARKA
ADFAVSDRIT ATLSVPADKE EWAKRHREHI AAEVLAMDLQ VVTEPQEGDN VYRVLDGVSV
AVQLA
//