Entry: Q49690 Genes: csd2 ML0596 B1496_C2_193 MLCL536.25c Length: 418 aa

Probable cysteine desulfurase 2

CSD2_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: Q49690 ML Locus: ML0596
Entry Q49690
Reviewed reviewed
Entry Name CSD2_MYCLE
Gene Names csd2 ML0596 B1496_C2_193 MLCL536.25c
ML locus tag ML0596
Organism Mycobacterium leprae (strain TN)
Length 418 aa
Mass 44894 Da
Annotation 2.0
Annotation Summary

Evidence and cross-references

PubMed ID 11234002
DOI ID 10.1038/35059006
STRING 272631.gene:17574417;
KEGG mle:ML0596;
eggNOG COG0520;
OrthoDB 9804366at2;
InterPro IPR000192;IPR020578;IPR010970;IPR015424;IPR015421;IPR015422;

Oligomer Models

Best Boltz2 oligomer and local AlphaFold‑3 homooligomer structure models matched to ML0596, with the same model switching, Mol*, Nightingale, pLDDT, PAE, and download functionality as monomers.
Count: 1
Assembly Method Template / Source Overall Rank Download
Hetero 4-mer Boltz2 9DDD 0.875661 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 ML0596, retaining all existing model selection, Mol*, Nightingale, pLDDT, PAE, and download functionality.
Count: 4
Assembly Method Model Overall Rank Download
Monomer Boltz2 0 0.948583 Download Model
Monomer AlphaFold‑3 3 0.958709 Download Model
Monomer Boltz 0 0.949373 Download Model
Monomer CHAI 1 0.193233 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* — ML0596

Mol* Structure Viewer

Local mmCIF model display for ML0596 with Mol* controls hidden.
Default: Hetero 4-mer • Boltz2
Preparing Hetero 4-mer • Boltz2 model 0 for ML0596…
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 2.8.1.7
Catalytic activity CATALYTIC ACTIVITY: Reaction=(sulfur carrier)-H + L-cysteine = (sulfur carrier)-SH + L-alanine; Xref=Rhea:RHEA:43892, Rhea:RHEA-COMP:14737, Rhea:RHEA-COMP:14739, ChEBI:CHEBI:29917, ChEBI:CHEBI:35235, ChEBI:CHEBI:57972, ChEBI:CHEBI:64428; EC=2.8.1.7;
Cofactor COFACTOR: Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326; Evidence={ECO:0000250};
Active site ACT_SITE 374; /note="Cysteine persulfide intermediate"; /evidence="ECO:0000250"
Annotation Summary

Ontology and localisation

Gene Ontology (biological process) cysteine metabolic process [GO:0006534]
Gene Ontology (GO) cysteine desulfurase activity [GO:0031071]; pyridoxal phosphate binding [GO:0030170]; cysteine metabolic process [GO:0006534]
Gene Ontology (molecular function) cysteine desulfurase activity [GO:0031071]; pyridoxal phosphate binding [GO:0030170]
Gene Ontology IDs GO:0006534; GO:0030170; GO:0031071
Protein families Class-V pyridoxal-phosphate-dependent aminotransferase family, Csd subfamily
Sequence similarities SIMILARITY: Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. Csd subfamily. {ECO:0000305}.
Annotation Summary

Sequence features and PTMs

Chain CHAIN 1..418; /note="Probable cysteine desulfurase 2"; /id="PRO_0000150302"
Modified residue MOD_RES 234; /note="N6-(pyridoxal phosphate)lysine"; /evidence="ECO:0000250"