Entry: O69481 Genes: ML1639 MLCB1243.36 Length: 385 aa

GTP cyclohydrolase 1 type 2 homolog

GCH1L_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: O69481 ML Locus: ML1639
Entry O69481
Reviewed reviewed
Entry Name GCH1L_MYCLE
Gene Names ML1639 MLCB1243.36
ML locus tag ML1639
Organism Mycobacterium leprae (strain TN)
Length 385 aa
Mass 40291 Da
Annotation 2.0
Annotation Summary

Evidence and cross-references

PubMed ID 11234002
DOI ID 10.1038/35059006
STRING 272631.gene:17575481;
KEGG mle:ML1639;
eggNOG COG0327;COG3323;
OrthoDB 9795763at2;
InterPro IPR002678;IPR017221;IPR036069;IPR015867;

Oligomer Models

Best Boltz2 oligomer and local AlphaFold‑3 homooligomer structure models matched to ML1639, with the same model switching, Mol*, Nightingale, pLDDT, PAE, and download functionality as monomers.
Count: 1
Assembly Method Template / Source Overall Rank Download
Homo 6-mer Boltz2 2GX8 0.657603 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 ML1639, retaining all existing model selection, Mol*, Nightingale, pLDDT, PAE, and download functionality.
Count: 4
Assembly Method Model Overall Rank Download
Monomer Boltz2 0 0.894905 Download Model
Monomer AlphaFold‑3 0 0.844166 Download Model
Monomer Boltz 0 0.893364 Download Model
Monomer CHAI 4 0.168016 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* — ML1639

Mol* Structure Viewer

Local mmCIF model display for ML1639 with Mol* controls hidden.
Default: Homo 6-mer • Boltz2
Preparing Homo 6-mer • Boltz2 model 0 for ML1639…
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

Binding site BINDING 64; /ligand="a divalent metal cation"; /ligand_id="ChEBI:CHEBI:60240"; /ligand_label="1"; /evidence="ECO:0000250|UniProtKB:P0AFP6"; BINDING 65; /ligand="a divalent metal cation"; /ligand_id="ChEBI:CHEBI:60240"; /ligand_label="2"; /evidence="ECO:0000250|UniProtKB:P0AFP6"; BINDING 103; /ligand="a divalent metal cation"; /ligand_id="ChEBI:CHEBI:60240"; /ligand_label="1"; /evidence="ECO:0000250|UniProtKB:P0AFP6"; BINDING 333; /ligand="a divalent metal cation"; /ligand_id="ChEBI:CHEBI:60240"; /ligand_label="2"; /evidence="ECO:0000250|UniProtKB:P0AFP6"; BINDING 337; /ligand="a divalent metal cation"; /ligand_id="ChEBI:CHEBI:60240"; /ligand_label="1"; /evidence="ECO:0000250|UniProtKB:P0AFP6"; BINDING 337; /ligand="a divalent metal cation"; /ligand_id="ChEBI:CHEBI:60240"; /ligand_label="2"; /evidence="ECO:0000250|UniProtKB:P0AFP6"
Subunit structure SUBUNIT: Homohexamer. {ECO:0000250|UniProtKB:P0AFP6}.
Annotation Summary

Ontology and localisation

Gene Ontology (cellular component) cytoplasm [GO:0005737]
Gene Ontology (GO) cytoplasm [GO:0005737]; metal ion binding [GO:0046872]
Gene Ontology (molecular function) metal ion binding [GO:0046872]
Gene Ontology IDs GO:0005737; GO:0046872
Protein families GTP cyclohydrolase I type 2/NIF3 family
Sequence similarities SIMILARITY: Belongs to the GTP cyclohydrolase I type 2/NIF3 family. {ECO:0000305}.
Annotation Summary

Sequence features and PTMs

Chain CHAIN 1..385; /note="GTP cyclohydrolase 1 type 2 homolog"; /id="PRO_0000147317"