Entry: O69470 Genes: mutM fpg ML1658 MLCB1243.16 Length: 282 aa

Formamidopyrimidine-DNA glycosylase (Fapy-DNA glycosylase)

FPG_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: O69470 ML Locus: ML1658
Entry O69470
Reviewed reviewed
Entry Name FPG_MYCLE
Gene Names mutM fpg ML1658 MLCB1243.16
ML locus tag ML1658
Organism Mycobacterium leprae (strain TN)
Length 282 aa
Mass 31515 Da
Annotation 4.0
Annotation Summary

Evidence and cross-references

PubMed ID 11234002
DOI ID 10.1038/35059006
STRING 272631.gene:17575501;
KEGG mle:ML1658;
eggNOG COG0266;
OrthoDB 9800855at2;
InterPro IPR015887;IPR012319;IPR020629;IPR035937;IPR015886;IPR010979;IPR000214;IPR010663;

Oligomer Models

Best Boltz2 oligomer and local AlphaFold‑3 homooligomer structure models matched to ML1658, with the same model switching, Mol*, Nightingale, pLDDT, PAE, and download functionality as monomers.
Count: 0
No oligomer model entries were found for this record.

Monomer Models

Monomer structure models for ML1658, retaining all existing model selection, Mol*, Nightingale, pLDDT, PAE, and download functionality.
Count: 4
Assembly Method Model Overall Rank Download
Monomer Boltz2 0 0.920512 Download Model
Monomer AlphaFold‑3 1 0.904834 Download Model
Monomer Boltz 0 0.954884 Download Model
Monomer CHAI 1 0.190989 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* — ML1658

Mol* Structure Viewer

Local mmCIF model display for ML1658 with Mol* controls hidden.
Default: Boltz2
Preparing Boltz2 model 0 for ML1658…
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.
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PAE Heatmap
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Scored residue
Aligned residue
Hover over the heatmap to inspect residue-pair PAE values.
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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
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Annotation Summary

Function and interactions

EC number 3.2.2.23; 4.2.99.18
Catalytic activity CATALYTIC ACTIVITY: Reaction=Hydrolysis of DNA containing ring-opened 7-methylguanine residues, releasing 2,6-diamino-4-hydroxy-5-(N-methyl)formamidopyrimidine.; EC=3.2.2.23; CATALYTIC ACTIVITY: Reaction=2'-deoxyribonucleotide-(2'-deoxyribose 5'-phosphate)-2'-deoxyribonucleotide-DNA = a 3'-end 2'-deoxyribonucleotide-(2,3-dehydro-2,3-deoxyribose 5'-phosphate)-DNA + a 5'-end 5'-phospho-2'-deoxyribonucleoside-DNA + H(+); Xref=Rhea:RHEA:66592, Rhea:RHEA-COMP:13180, Rhea:RHEA-COMP:16897, Rhea:RHEA-COMP:17067, ChEBI:CHEBI:15378, ChEBI:CHEBI:136412, ChEBI:CHEBI:157695, ChEBI:CHEBI:167181; EC=4.2.99.18;
Binding site BINDING 93; /ligand="DNA"; /ligand_id="ChEBI:CHEBI:16991"; /evidence="ECO:0000250"; BINDING 112; /ligand="DNA"; /ligand_id="ChEBI:CHEBI:16991"; /evidence="ECO:0000250"; BINDING 158; /ligand="DNA"; /ligand_id="ChEBI:CHEBI:16991"; /evidence="ECO:0000250"
Cofactor COFACTOR: Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250}; Note=Binds 1 zinc ion per subunit. {ECO:0000250};
Active site ACT_SITE 2; /note="Schiff-base intermediate with DNA"; /evidence="ECO:0000250"; ACT_SITE 3; /note="Proton donor"; /evidence="ECO:0000250"; ACT_SITE 61; /note="Proton donor; for beta-elimination activity"; /evidence="ECO:0000250"; ACT_SITE 268; /note="Proton donor; for delta-elimination activity"; /evidence="ECO:0000250"
Subunit structure SUBUNIT: Monomer. {ECO:0000250}.
Annotation Summary

Ontology and localisation

Gene Ontology (biological process) base-excision repair [GO:0006284]; response to oxidative stress [GO:0006979]
Gene Ontology (GO) 8-oxo-7,8-dihydroguanine DNA N-glycosylase activity [GO:0034039]; class I DNA-(apurinic or apyrimidinic site) endonuclease activity [GO:0140078]; damaged DNA binding [GO:0003684]; double-stranded DNA binding [GO:0003690]; zinc ion binding [GO:0008270]; base-excision repair [GO:0006284]; response to oxidative stress [GO:0006979]
Gene Ontology (molecular function) 8-oxo-7,8-dihydroguanine DNA N-glycosylase activity [GO:0034039]; class I DNA-(apurinic or apyrimidinic site) endonuclease activity [GO:0140078]; damaged DNA binding [GO:0003684]; double-stranded DNA binding [GO:0003690]; zinc ion binding [GO:0008270]
Gene Ontology IDs GO:0003684; GO:0003690; GO:0006284; GO:0006979; GO:0008270; GO:0034039; GO:0140078
Protein families FPG family
Sequence similarities SIMILARITY: Belongs to the FPG family. {ECO:0000305}.
Annotation Summary

Sequence features and PTMs

Chain CHAIN 2..282; /note="Formamidopyrimidine-DNA glycosylase"; /id="PRO_0000170839"
Initiator methionine INIT_MET 1; /note="Removed"; /evidence="ECO:0000250"
Zinc finger ZN_FING 244..278; /note="FPG-type"