ID D0GMB5_9FUSO Unreviewed; 932 AA.
AC D0GMB5;
DT 15-DEC-2009, integrated into UniProtKB/TrEMBL.
DT 15-DEC-2009, sequence version 1.
DT 24-JAN-2024, entry version 87.
DE RecName: Full=Isoleucine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_02002};
DE EC=6.1.1.5 {ECO:0000256|HAMAP-Rule:MF_02002};
DE AltName: Full=Isoleucyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_02002};
DE Short=IleRS {ECO:0000256|HAMAP-Rule:MF_02002};
GN Name=ileS {ECO:0000256|HAMAP-Rule:MF_02002,
GN ECO:0000313|EMBL:EEY34716.1};
GN ORFNames=HMPREF0554_1329 {ECO:0000313|EMBL:EEY34716.1};
OS Pseudoleptotrichia goodfellowii F0264.
OC Bacteria; Fusobacteriota; Fusobacteriia; Fusobacteriales; Leptotrichiaceae;
OC Pseudoleptotrichia.
OX NCBI_TaxID=596323 {ECO:0000313|EMBL:EEY34716.1, ECO:0000313|Proteomes:UP000004226};
RN [1] {ECO:0000313|EMBL:EEY34716.1, ECO:0000313|Proteomes:UP000004226}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=F0264 {ECO:0000313|EMBL:EEY34716.1,
RC ECO:0000313|Proteomes:UP000004226};
RA Harkins D.M., Madupu R., Durkin A.S., Torralba M., Methe B., Sutton G.G.,
RA Strausberg R.L., Nelson K.E.;
RL Submitted (OCT-2009) 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_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;
CC Evidence={ECO:0000256|ARBA:ARBA00000114, ECO:0000256|HAMAP-
CC Rule:MF_02002};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02002};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_02002};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_02002}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|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:0000256|HAMAP-Rule:MF_02002}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC IleS type 1 subfamily. {ECO:0000256|ARBA:ARBA00006887,
CC ECO:0000256|HAMAP-Rule:MF_02002}.
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:EEY34716.1}.
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DR EMBL; ADAD01000134; EEY34716.1; -; Genomic_DNA.
DR RefSeq; WP_006807618.1; NZ_ADAD01000134.1.
DR AlphaFoldDB; D0GMB5; -.
DR eggNOG; COG0060; Bacteria.
DR Proteomes; UP000004226; 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; 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; 1.10.10.830; Ile-tRNA synthetase CP2 domain-like; 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 {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_02002};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_02002};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_02002};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_02002};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_02002};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_02002};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_02002}; Reference proteome {ECO:0000313|Proteomes:UP000004226};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_02002}.
FT DOMAIN 38..644
FT /note="Aminoacyl-tRNA synthetase class Ia"
FT /evidence="ECO:0000259|Pfam:PF00133"
FT DOMAIN 688..844
FT /note="Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase
FT anticodon-binding"
FT /evidence="ECO:0000259|Pfam:PF08264"
FT DOMAIN 896..925
FT /note="Zinc finger FPG/IleRS-type"
FT /evidence="ECO:0000259|Pfam:PF06827"
FT MOTIF 64..74
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT MOTIF 605..609
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT BINDING 564
FT /ligand="L-isoleucyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:178002"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT BINDING 608
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT BINDING 899
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT BINDING 902
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT BINDING 919
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
FT BINDING 922
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02002"
SQ SEQUENCE 932 AA; 107912 MW; 7B57D9A123254E43 CRC64;
MSEEKNVEKP DYAGTLNLPK TSFKMKANLA QKEPLTLRDW KKTNIYEKSL KDEGQYFVLH
DGPPYANGDI HIGHALNKVL KDIILKYKRL RGYNAPYIPG WDTHGLPIEW KIMEEYGEKA
RNMTPLQIRQ ECKKYALKWV EKQKAEFIRL GILGNWDDPY ITLKPEYEAE QLKVFKEIYE
NGYVYKGLKP VYWSPTTETA LAEAEIEYKD VVSPSIYVKM EASKDLLDKL GTDEASIVIW
TTTPWTLPAN LGIALNKDFD YGLYKTEKGN LVLAKELAEK AFGEMKLSYE LIKEFKGNKL
ERTHYKHPFL DREGLVILGE HVTLDAGTGA VHTAPGHGVD DYVVGQAYGI GILSPVDDQG
HMTKEAGKYE GLFYKKASKV IVEDIEASGH LMAYSEFTHS YPHDWRSKKP VIYRATEQWF
ISVDESDVRQ NALKALEDVE FVPEWGKNRI NAMLETRPDW TISRQRVWGV PIPLFYNAET
NEVIYEPEIM DKVIEAVKKK GTDIWWKYEA EEIIGEELLE KYNLKGVKLR KERSIMDVWF
DSGASHRGVL IPRGLHRPAD LYLEGSDQHR GWFQSSLLTS IASTKDAPYK RILTHGFVMD
GQGRKMSKSL GNTIVPKDII EKYGADILRL WVSSVDYRED VRISENILQQ MSDAYRRIRN
TARFLMGNLN DFDYENKKVD YEEMYEIDKW ALHKLEELKE KTTEYYDKYE FYSLFQEITY
FCSIDMSAFY LDIVKDRLYC EEKDSIERRS AQTVLTEVLK VLVRVISPVL SFTAEEIWER
IPESLKKEES VHLSEWVELE PKYKNNELAK KWDKIQNLRK EVNKKLEAAR QEGLIGHSLD
ARVLLNVNND DYSFLKDYTE DEVSDLFIVS QTKFVNDELG ASEISGISIG VIKALGKKCE
RCWKYHEEVG NDPEHPDVCP RCAKVLKFAG NK
//