Entry: O07151 Genes: thrS ML0456 MLCL581.18c Length: 702 aa

Threonine--tRNA ligase

SYT_MYCLE Mycobacterium leprae (strain TN)
Navigate Overview Model Scores RCSB 1D Mol* Pockets B-Cell Epitopes Function and interactions Ontology and localisation Sequence features and PTMs Evidence and cross-references

Summary

Download FASTA UniProt: O07151 ML Locus: ML0456
Entry O07151
Reviewed reviewed
Entry Name SYT_MYCLE
Gene Names thrS ML0456 MLCL581.18c
ML locus tag ML0456
Organism Mycobacterium leprae (strain TN)
Length 702 aa
Mass 78372 Da
Annotation 3.0
Annotation Summary

Evidence and cross-references

PubMed ID 11234002
DOI ID 10.1038/35059006
STRING 272631.gene:17574277;
KEGG mle:ML0456;
eggNOG COG0441;
OrthoDB 9802304at2;
InterPro IPR002314;IPR006195;IPR045864;IPR004154;IPR036621;IPR004095;IPR002320;IPR018163;IPR047246;IPR033728;IPR012947;

Oligomer Models

Best Boltz2 oligomer and local AlphaFold‑3 homooligomer structure models matched to ML0456, with the same model switching, Mol*, Nightingale, pLDDT, PAE, and download functionality as monomers.
Count: 1
Assembly Method Template / Source Overall Rank Download
Homo 2-mer Boltz2 1KOG 0.887034 Download Model

Ligands

Curated ligands imported from the selected oligomer template/YAML rows. The displayed ligand code is the original template CCD code; predicted-model placeholders such as LIG1/LIG2 are not shown. Click a ligand code to focus the ligand in Mol*.
Ligands: 0
Ligand Code Ligand Name PubChem ID
No curated ligand rows were found for this oligomer in the database.

Monomer Models

Monomer structure models for ML0456, retaining all existing model selection, Mol*, Nightingale, pLDDT, PAE, and download functionality.
Count: 4
Assembly Method Model Overall Rank Download
Monomer Boltz2 0 0.850266 Download Model
Monomer AlphaFold‑3 1 0.902944 Download Model
Monomer Boltz 0 0.864244 Download Model
Monomer CHAI 2 0.173669 Download Model

Sequence & Feature Viewer

Residue-level feature tracks for the loaded model — pLDDT confidence colouring, mapped annotations, and interactive PAE selection ranges. Drag a region on the heatmap to highlight it here and in Mol*.
RCSB 1D
Sequence viewer will initialise once a structure model is loaded.
Mol* — ML0456

Mol* Structure Viewer

Local mmCIF model display for ML0456 with Mol* controls hidden.
Default: Homo 2-mer • Boltz2
Preparing Homo 2-mer • Boltz2 model 0 for ML0456…
Residue focus: none
Heterooligomer ML IDs / chain selection

PAE Map Panel

Predicted aligned error heatmap for the currently loaded model, when pairwise confidence data are available in the local mmCIF.
PAE • Waiting for Model
PAE Heatmap
Loading pairwise confidence data for the selected model…
Scored residue
Aligned residue
Hover over the heatmap to inspect residue-pair PAE values.
Click a cell or drag across the heatmap to select residue blocks and mirror them in the sequence viewer.

B-cell Epitope Propensity

Per-residue conformational B-cell epitope predictions from DiscoTope-3.0.
Epitope · Loading
Low
Epitope
Residue number Residue type DiscoTope-3.0 score Focus
Loading epitope predictions…
Click a residue to focus it in Mol*.
Annotation Summary

Function and interactions

EC number 6.1.1.3
Catalytic activity CATALYTIC ACTIVITY: Reaction=tRNA(Thr) + L-threonine + ATP = L-threonyl-tRNA(Thr) + AMP + diphosphate + H(+); Xref=Rhea:RHEA:24624, Rhea:RHEA-COMP:9670, Rhea:RHEA-COMP:9704, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57926, ChEBI:CHEBI:78442, ChEBI:CHEBI:78534, ChEBI:CHEBI:456215; EC=6.1.1.3; Evidence={ECO:0000255|HAMAP-Rule:MF_00184};
Binding site BINDING 384; /ligand="Zn(2+)"; /ligand_id="ChEBI:CHEBI:29105"; /evidence="ECO:0000255|HAMAP-Rule:MF_00184"; BINDING 435; /ligand="Zn(2+)"; /ligand_id="ChEBI:CHEBI:29105"; /evidence="ECO:0000255|HAMAP-Rule:MF_00184"; BINDING 562; /ligand="Zn(2+)"; /ligand_id="ChEBI:CHEBI:29105"; /evidence="ECO:0000255|HAMAP-Rule:MF_00184"
Cofactor COFACTOR: Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000255|HAMAP-Rule:MF_00184}; Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00184};
Subunit structure SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00184}.
Annotation Summary

Ontology and localisation

Gene Ontology (biological process) threonyl-tRNA aminoacylation [GO:0006435]
Gene Ontology (cellular component) cytoplasm [GO:0005737]
Gene Ontology (GO) cytoplasm [GO:0005737]; ATP binding [GO:0005524]; metal ion binding [GO:0046872]; threonine-tRNA ligase activity [GO:0004829]; tRNA binding [GO:0000049]; threonyl-tRNA aminoacylation [GO:0006435]
Gene Ontology (molecular function) ATP binding [GO:0005524]; metal ion binding [GO:0046872]; threonine-tRNA ligase activity [GO:0004829]; tRNA binding [GO:0000049]
Gene Ontology IDs GO:0000049; GO:0004829; GO:0005524; GO:0005737; GO:0006435; GO:0046872
Subcellular location [CC] SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00184}.
Protein families Class-II aminoacyl-tRNA synthetase family
Sequence similarities SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family. {ECO:0000255|HAMAP-Rule:MF_00184}.
Annotation Summary

Sequence features and PTMs

Chain CHAIN 1..702; /note="Threonine--tRNA ligase"; /id="PRO_0000101008"
Region REGION 1..30; /note="Disordered"; /evidence="ECO:0000256|SAM:MobiDB-lite"; REGION 279..585; /note="Catalytic"; /evidence="ECO:0000255|HAMAP-Rule:MF_00184"
Domain [FT] DOMAIN 15..84; /note="TGS"; /evidence="ECO:0000255|PROSITE-ProRule:PRU01228"