ID SYI_BORPA Reviewed; 953 AA. AC Q7W8Z2; DT 20-DEC-2005, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2003, sequence version 1. DT 27-MAR-2024, entry version 116. DE RecName: Full=Isoleucine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_02002}; DE EC=6.1.1.5 {ECO:0000255|HAMAP-Rule:MF_02002}; DE AltName: Full=Isoleucyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_02002}; DE Short=IleRS {ECO:0000255|HAMAP-Rule:MF_02002}; GN Name=ileS {ECO:0000255|HAMAP-Rule:MF_02002}; GN OrderedLocusNames=BPP1984; OS Bordetella parapertussis (strain 12822 / ATCC BAA-587 / NCTC 13253). OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales; OC Alcaligenaceae; Bordetella. OX NCBI_TaxID=257311; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=12822 / ATCC BAA-587 / NCTC 13253; RX PubMed=12910271; DOI=10.1038/ng1227; RA Parkhill J., Sebaihia M., Preston A., Murphy L.D., Thomson N.R., RA Harris D.E., Holden M.T.G., Churcher C.M., Bentley S.D., Mungall K.L., RA Cerdeno-Tarraga A.-M., Temple L., James K.D., Harris B., Quail M.A., RA Achtman M., Atkin R., Baker S., Basham D., Bason N., Cherevach I., RA Chillingworth T., Collins M., Cronin A., Davis P., Doggett J., Feltwell T., RA Goble A., Hamlin N., Hauser H., Holroyd S., Jagels K., Leather S., RA Moule S., Norberczak H., O'Neil S., Ormond D., Price C., Rabbinowitsch E., RA Rutter S., Sanders M., Saunders D., Seeger K., Sharp S., Simmonds M., RA Skelton J., Squares R., Squares S., Stevens K., Unwin L., Whitehead S., RA Barrell B.G., Maskell D.J.; RT "Comparative analysis of the genome sequences of Bordetella pertussis, RT Bordetella parapertussis and Bordetella bronchiseptica."; RL Nat. Genet. 35:32-40(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_02002}. 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_02002}; CC -!- COFACTOR: CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP- CC Rule:MF_02002}; CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_02002}; CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_02002}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_02002}. 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_02002}. CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family. CC IleS type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_02002}. 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; BX640429; CAE37284.1; -; Genomic_DNA. DR RefSeq; WP_010928306.1; NC_002928.3. DR AlphaFoldDB; Q7W8Z2; -. DR SMR; Q7W8Z2; -. DR GeneID; 69421369; -. DR KEGG; bpa:BPP1984; -. DR HOGENOM; CLU_001493_7_1_4; -. DR Proteomes; UP000001421; 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; cd07960; Anticodon_Ia_Ile_BEm; 1. DR CDD; cd00818; IleRS_core; 1. DR Gene3D; 1.10.730.20; -; 1. DR Gene3D; 3.40.50.620; HUPs; 2. DR Gene3D; 3.90.740.10; Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain; 1. DR HAMAP; MF_02002; Ile_tRNA_synth_type1; 1. DR InterPro; IPR001412; aa-tRNA-synth_I_CS. DR InterPro; IPR002300; aa-tRNA-synth_Ia. DR InterPro; IPR033708; Anticodon_Ile_BEm. DR InterPro; IPR002301; Ile-tRNA-ligase. DR InterPro; IPR023585; Ile-tRNA-ligase_type1. 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 InterPro; IPR010663; Znf_FPG/IleRS. DR NCBIfam; TIGR00392; ileS; 1. DR PANTHER; PTHR42765:SF1; ISOLEUCINE--TRNA LIGASE, MITOCHONDRIAL; 1. DR PANTHER; PTHR42765; SOLEUCYL-TRNA SYNTHETASE; 1. DR Pfam; PF08264; Anticodon_1; 1. DR Pfam; PF00133; tRNA-synt_1; 1. DR Pfam; PF06827; zf-FPG_IleRS; 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; ATP-binding; Cytoplasm; Ligase; Metal-binding; KW Nucleotide-binding; Protein biosynthesis; Zinc. FT CHAIN 1..953 FT /note="Isoleucine--tRNA ligase" FT /id="PRO_0000098358" FT MOTIF 57..67 FT /note="'HIGH' region" FT MOTIF 623..627 FT /note="'KMSKS' region" FT BINDING 582 FT /ligand="L-isoleucyl-5'-AMP" FT /ligand_id="ChEBI:CHEBI:178002" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02002" FT BINDING 626 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02002" FT BINDING 916 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02002" FT BINDING 919 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02002" FT BINDING 936 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02002" FT BINDING 939 FT /ligand="Zn(2+)" FT /ligand_id="ChEBI:CHEBI:29105" FT /evidence="ECO:0000255|HAMAP-Rule:MF_02002" SQ SEQUENCE 953 AA; 105561 MW; 3E1887759A135559 CRC64; MDYKKSLNLP DTPFPMRGDL AKREPGWVAE WEETQVYQAI RAASRGRPRF VLHDGPPYAN GDIHIGHAVN KILKDIIVKS RNMAGYDAHY VPGWDCHGMP IEIQIEKKYG KHLPVTEVQS KARAYALEQI DRQRKDFKRL GVLGDWHNPY LTMNFSNEAD EIRVLGRILE KGYVFRGLKP VNWCFDCGSA LAEAEVEYAD RVDPAIDVAF PFTDRGALAR AFGLDEVDAG AIVIWTTTPW TIPSNQALNV HPEIDYALVR VTPTPVHGPL LLLAQERVEP SLKAWGLEGE IIATAKGEAL EGLRFRHPLA AAAQGYDRTS PIYLGDYVTL DTGTGVVHSA PAYGIEDFVS CKAHGLADSD ILGPVMGDGK FVDSLPLFGG LSIWDANPRI VEALKLAGSL MLVQKLSHSY MHCWRHKTPV IYRATSQWFA GMDVKPRDGG PSLRESALAG IDATAFYPAW GRARLHAMIA NRPDWTLSRQ RQWGVPMAFF VHKETGELHP RTVELLEQVA QRVEKGGIEA WQSLDPRELL GDEAELYEKN RDTLDVWFDS GSTHATVLGG KDGVLGSSHG AELAWPADLY LEGSDQHRGW FHSSLLTGCM LYGHPPYKGL LTHGFVVDGQ GRKMSKSVGN VIAPQKVSDS LGAEILRLWV ASTDYSGELS ISDEILKRVV ESYRRIRNTL RFLLANVADF DAVGQAVPYG ELFEIDRYAL AMTAQMQAEV QGHYERYDFH PAVSRLQTFC SEDLGAFYLD ILKDRLYTTA AGSAARRSAQ TALLDITQTL LKLMAPILSF TAEEAWKVLA GSALAKQADA PRVTIFTEVY HALPPFADGE ALTAKWTRLR AIRAEVQRKL EEVRSAGAIG SSLQAEVDLY ANAADHDILA SLGDDLRFVL IVSRATVHAD ADDLRIEIAA SGHKKCERCW HWRPDVGQDA DHPEICGRCV SNLFGAGEPR TRA //