ID SYI_CORGL Reviewed; 1054 AA. AC Q8NNP0; Q6M3S6; DT 20-DEC-2005, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2002, sequence version 1. DT 27-MAR-2024, entry version 127. DE RecName: Full=Isoleucine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_02003}; DE EC=6.1.1.5 {ECO:0000255|HAMAP-Rule:MF_02003}; DE AltName: Full=Isoleucyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_02003}; DE Short=IleRS {ECO:0000255|HAMAP-Rule:MF_02003}; GN Name=ileS {ECO:0000255|HAMAP-Rule:MF_02003}; GN OrderedLocusNames=Cgl2148, cg2359; OS Corynebacterium glutamicum (strain ATCC 13032 / DSM 20300 / BCRC 11384 / OS JCM 1318 / LMG 3730 / NCIMB 10025). OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; OC Corynebacteriaceae; Corynebacterium. OX NCBI_TaxID=196627; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 13032 / DSM 20300 / BCRC 11384 / JCM 1318 / LMG 3730 / RC NCIMB 10025; RX PubMed=12743753; DOI=10.1007/s00253-003-1328-1; RA Ikeda M., Nakagawa S.; RT "The Corynebacterium glutamicum genome: features and impacts on RT biotechnological processes."; RL Appl. Microbiol. Biotechnol. 62:99-109(2003). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 13032 / DSM 20300 / BCRC 11384 / JCM 1318 / LMG 3730 / RC NCIMB 10025; RX PubMed=12948626; DOI=10.1016/s0168-1656(03)00154-8; RA Kalinowski J., Bathe B., Bartels D., Bischoff N., Bott M., Burkovski A., RA Dusch N., Eggeling L., Eikmanns B.J., Gaigalat L., Goesmann A., RA Hartmann M., Huthmacher K., Kraemer R., Linke B., McHardy A.C., Meyer F., RA Moeckel B., Pfefferle W., Puehler A., Rey D.A., Rueckert C., Rupp O., RA Sahm H., Wendisch V.F., Wiegraebe I., Tauch A.; RT "The complete Corynebacterium glutamicum ATCC 13032 genome sequence and its RT impact on the production of L-aspartate-derived amino acids and vitamins."; RL J. Biotechnol. 104:5-25(2003). 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:0000255|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; Evidence={ECO:0000255|HAMAP- CC Rule:MF_02003}; CC -!- COFACTOR: CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP- CC Rule:MF_02003}; CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_02003}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|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:0000255|HAMAP-Rule:MF_02003}. CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family. CC IleS type 2 subfamily. {ECO:0000255|HAMAP-Rule:MF_02003}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; BA000036; BAB99541.1; -; Genomic_DNA. DR EMBL; BX927154; CAF20488.1; -; Genomic_DNA. DR RefSeq; NP_601350.1; NC_003450.3. DR RefSeq; WP_011014916.1; NC_006958.1. DR AlphaFoldDB; Q8NNP0; -. DR SMR; Q8NNP0; -. DR STRING; 196627.cg2359; -. DR KEGG; cgb:cg2359; -. DR KEGG; cgl:Cgl2148; -. DR PATRIC; fig|196627.13.peg.2086; -. DR eggNOG; COG0060; Bacteria. DR HOGENOM; CLU_001493_1_1_11; -. DR OrthoDB; 9810365at2; -. DR BioCyc; CORYNE:G18NG-11740-MONOMER; -. DR Proteomes; UP000000582; Chromosome. DR Proteomes; UP000001009; Chromosome. 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; 2. 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; ATP-binding; Cytoplasm; Ligase; Metal-binding; KW Nucleotide-binding; Protein biosynthesis; Reference proteome; Zinc. FT CHAIN 1..1054 FT /note="Isoleucine--tRNA ligase" FT /id="PRO_0000098538" FT REGION 522..543 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT MOTIF 58..68 FT /note="'HIGH' region" FT MOTIF 627..631 FT /note="'KMSKS' region" FT BINDING 630 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02003" SQ SEQUENCE 1054 AA; 117404 MW; C3333C86C8554B1F CRC64; MSEAVGGVYP QVDLSGGSSR FPEMEENVLS YWKKDDTFQA SIDQRDGAED YVFYDGPPFA NGLPHYGHLL TGYVKDIVPR YQTMRGYRVP RVFGWDTHGL PAELEAEKQL GIKDKGEIEA MGLAKFNEYC ATSVLQYTKE WEEYVTRQAR WVDFENGYKT MDLSFMESVI WAFKELYDKG LIYQGFRVLP YSWAEHTPLS NQETRLDDSY KLRQDPTLTV TFPVTGVVEG SSANAGLVGA LALAWTTTPW TLPSNLALAV NPAVTYALVE VAEDGEAEFV GKRVLLAKDL VGSYAKELGA EAVIVSEHPG SELVGLTYEP IFGYFRDHAN GFQILGAEYV TTEDGTGIVH QAPAFGEDDM NTCNAAGIEP VIPVDIDGKF TGLVPEYQGQ LVFDANKDII KDLKAAGRVV RHQTIEHSYP HSWRSGEPLI YMALPSWFVN VTEIRDRMVE VNQDIEWMPA HIRDGQFGKW LEGARDWNIS RSRYWGSPIP AWVSDNDEYP RVDVYGSLDE LEADFGVRPK SLHRPDIDEL TRPNPDDPTG KSTMRRVTDV LDVWFDSGSM PFAQVHYPFE NKEWFDTHAP ADFIVEYIGQ TRGWFYLLHV LSTALFDRPA FKKVVAHGIV LGDDGLKMSK SKGNYPNVNE VFDRDGSDAM RWFLMSSPIL RGGNLIVTEK GIREGVRQAQ LPMWNAYSFL QLYTSKNATW SVDSTDVLDR YILAKLHDLV AETQAALDGT DIAKACDLVR NFCDALTNWY VRRSRDRFWA GDEAHPEAFN TLYTVLETLT RVAAPLLPMT TEVIWRGLTG ERSVHLTDFP SAESFPADAD LVRTMDEIRG VCSAASSVRK AHKLRNRLPL PGLTVALPDS ARLADFASII RDEVNVKNVD LTSDVDSVGT FEVVVNAKVA GPRLGKDVQR VIKAVKAGNY TREGDVVVAD GIELNEGEFT ERLVAANPDS TAQIDGVDGL VVLDMEVTEE LEAEGWAADA IRGLQDARKN SGFEVSDRIS VVVSVPEDKK EWITTHADHI AAEVLATSFE IVTDALDGET HDIVAGVTAK VTKN //