ID E9CKK4_9GAMM Unreviewed; 642 AA.
AC E9CKK4;
DT 05-APR-2011, integrated into UniProtKB/TrEMBL.
DT 05-APR-2011, sequence version 1.
DT 27-MAR-2024, entry version 70.
DE RecName: Full=Threonine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_00184};
DE EC=6.1.1.3 {ECO:0000256|HAMAP-Rule:MF_00184};
DE AltName: Full=Threonyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_00184};
DE Short=ThrRS {ECO:0000256|HAMAP-Rule:MF_00184};
GN Name=thrS {ECO:0000256|HAMAP-Rule:MF_00184,
GN ECO:0000313|EMBL:EFW12962.1};
GN ORFNames=SSYM_0679 {ECO:0000313|EMBL:EFW12962.1};
OS Serratia symbiotica str. Tucson.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Yersiniaceae; Serratia; Serratia symbiotica.
OX NCBI_TaxID=914128 {ECO:0000313|EMBL:EFW12962.1, ECO:0000313|Proteomes:UP000013568};
RN [1] {ECO:0000313|Proteomes:UP000013568}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Tucson {ECO:0000313|Proteomes:UP000013568};
RX PubMed=21266540;
RA Burke G.R., Moran N.A.;
RT "Massive genomic decay in Serratia symbiotica, a recently evolved symbiont
RT of aphids.";
RL Genome Biol. Evol. 3:195-208(2011).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-threonine + tRNA(Thr) = AMP + diphosphate + H(+) + L-
CC threonyl-tRNA(Thr); Xref=Rhea:RHEA:24624, Rhea:RHEA-COMP:9670,
CC Rhea:RHEA-COMP:9704, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:57926, ChEBI:CHEBI:78442,
CC ChEBI:CHEBI:78534, ChEBI:CHEBI:456215; EC=6.1.1.3;
CC Evidence={ECO:0000256|ARBA:ARBA00000070, ECO:0000256|HAMAP-
CC Rule:MF_00184};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00184};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_00184};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00184}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00184}.
CC -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC {ECO:0000256|HAMAP-Rule:MF_00184}.
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; GL636101; EFW12962.1; -; Genomic_DNA.
DR RefSeq; WP_006708229.1; NZ_GL636101.1.
DR AlphaFoldDB; E9CKK4; -.
DR HOGENOM; CLU_008554_0_1_6; -.
DR Proteomes; UP000013568; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004829; F:threonine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006435; P:threonyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR CDD; cd01667; TGS_ThrRS; 1.
DR CDD; cd00860; ThrRS_anticodon; 1.
DR CDD; cd00771; ThrRS_core; 1.
DR Gene3D; 3.10.20.30; -; 1.
DR Gene3D; 3.30.54.20; -; 1.
DR Gene3D; 3.40.50.800; Anticodon-binding domain; 1.
DR HAMAP; MF_00184; Thr_tRNA_synth; 1.
DR InterPro; IPR002314; aa-tRNA-synt_IIb.
DR InterPro; IPR006195; aa-tRNA-synth_II.
DR InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR InterPro; IPR004154; Anticodon-bd.
DR InterPro; IPR036621; Anticodon-bd_dom_sf.
DR InterPro; IPR012675; Beta-grasp_dom_sf.
DR InterPro; IPR004095; TGS.
DR InterPro; IPR012676; TGS-like.
DR InterPro; IPR002320; Thr-tRNA-ligase_IIa.
DR InterPro; IPR018163; Thr/Ala-tRNA-synth_IIc_edit.
DR InterPro; IPR047246; ThrRS_anticodon.
DR InterPro; IPR033728; ThrRS_core.
DR InterPro; IPR012947; tRNA_SAD.
DR NCBIfam; TIGR00418; thrS; 1.
DR PANTHER; PTHR11451:SF44; THREONINE--TRNA LIGASE, CHLOROPLASTIC_MITOCHONDRIAL 2; 1.
DR PANTHER; PTHR11451; THREONINE-TRNA LIGASE; 1.
DR Pfam; PF03129; HGTP_anticodon; 1.
DR Pfam; PF02824; TGS; 1.
DR Pfam; PF00587; tRNA-synt_2b; 1.
DR Pfam; PF07973; tRNA_SAD; 1.
DR PRINTS; PR01047; TRNASYNTHTHR.
DR SMART; SM00863; tRNA_SAD; 1.
DR SUPFAM; SSF52954; Class II aaRS ABD-related; 1.
DR SUPFAM; SSF55681; Class II aaRS and biotin synthetases; 1.
DR SUPFAM; SSF81271; TGS-like; 1.
DR SUPFAM; SSF55186; ThrRS/AlaRS common domain; 1.
DR PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
DR PROSITE; PS51880; TGS; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_00184};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00184};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00184};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00184};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00184};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00184};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_00184}; Reference proteome {ECO:0000313|Proteomes:UP000013568};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_00184};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_00184};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00184}.
FT DOMAIN 1..61
FT /note="TGS"
FT /evidence="ECO:0000259|PROSITE:PS51880"
FT DOMAIN 243..534
FT /note="Aminoacyl-transfer RNA synthetases class-II family
FT profile"
FT /evidence="ECO:0000259|PROSITE:PS50862"
FT REGION 243..534
FT /note="Catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00184"
FT BINDING 334
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00184"
FT BINDING 385
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00184"
FT BINDING 511
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00184"
SQ SEQUENCE 642 AA; 73670 MW; AC53389119B82580 CRC64;
MPVISLPDGS QRHFDYPISP LDVARDIGPG LAKACIAGRV NGELVDACDL IKSDAQLAII
TIKDAEGLEI MRHSCAHLLG HAIKQLWPDT KMAIGPVIDN GFYYDVDIER TLTQEDLDLL
EKRMHALADK DYDVIKKKVS WQEASDTFAA RGESYKVAIL DENIGHDDRP GLYHHEEYID
MCRGPHVPNM RFCHHFKLQK TSGAYWRGDS KNKMLQRIYG TAWADKKQLN AYLQRLEEAA
KRDHRKIGKQ LDLYHMQEEA PGMVFWHNDG WTVFRELEAF VRMKLKEYQY QEVKGPFMMD
RVLWEKTGHW ENYKDAMFTT SSENREYCIK PMNCPGHVQI FNQGLKSYRD LPLRMGEFGS
CHRNEPSGSL HGLMRVRGFT QDDAHIFCTE EQVRAEVNAC IRMVYDVYAT FGFDKIAVKL
STRPEKRIGT DDMWTRAEED LAAALTENGI PLEYQLGEGA FYGPKIEFTL HDCLDRAWQC
GTVQLDFFLP GRLSASYVSE DNDRVVPVMI HRAILGSMER FIGILTEEYA GFYPTWIAPV
QVVVMNITDS QSDYVQQVTK KLQDAGIRAK ADLRNEKIGF KIREHTLRRV PYMLVCGDKE
VEAGNVAVRT RRGKDLGSQD VNEVVNKLLK EIRSRSLHQL EE
//
