Protein profile
VK055_4638
iscR transcriptional regulator IscR transcriptional dual regulator
Genome: KpATCC43816
Overview
Basic information about this protein and its source genome.
- Accession
- VK055_4638
- Gene
- AIK83172.1 iscR
- Status
- annotated
- Amino acids
- 150
- Structure source
- AlphaFold + ColabFold
Target profile
Computed evidence for target prioritization.
- Human off-target
- No hit
- Human identity (%)
- 0.0
- Gut microbiome off-target
- hit
- Essential (DEG)
- Y
- DEG identity (%)
- 93.333
- DEG E-value
- 1.05e-87
- Localization
- Cytoplasmic
- ColabFold pLDDT
- 85.96
Selected Druggability evidence
AlphaFold / UniProt modelSelected Druggability is the FPocket score chosen for ranking using the curated structure priority. The 3D viewer may show a different loaded structure, so its visible pockets can differ.
Sequence
Primary amino-acid sequence viewer.
Functional Annotations
Enzyme classification and Gene Ontology terms linked to this protein.
Gene Ontology (GO)
5- GO:0005829 The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
- GO:0051537 Binding to a 2 iron, 2 sulfur (2Fe-2S) cluster; this cluster consists of two iron atoms, with two inorganic sulfur atoms found between the irons and acting as bridging ligands.
- GO:0003700 A transcription regulator activity that modulates transcription of gene sets via selective and non-covalent binding to a specific double-stranded genomic DNA sequence (sometimes referred to as a motif) within a cis-regulatory region. Regulatory regions include promoters (proximal and distal) and enhancers. Genes are transcriptional units, and include bacterial operons.
- GO:0003690 Binding to double-stranded DNA.
- GO:0005506 Binding to an iron (Fe) ion.
Sequence Features
Domain/signature hits from InterPro and related databases.
Show feature table
| Start | End | DB | Term | Name |
|---|---|---|---|---|
| 1 | 119 | Pfam | PF02082 | Iron-dependent Transcriptional regulator |
| 1 | 119 | InterPro | IPR000944 | Transcription regulator Rrf2 |
| 36 | 54 | ProSitePatterns | PS01332 | Rrf2-type HTH domain signature. |
| 36 | 54 | InterPro | IPR030489 | Transcription regulator Rrf2-type, conserved site |
| 1 | 118 | ProSiteProfiles | PS51197 | Rrf2-type HTH domain profile. |
| 1 | 118 | InterPro | IPR000944 | Transcription regulator Rrf2 |
| 1 | 131 | FunFam | G3DSA:1.10.10.10:FF:000026 | HTH-type transcriptional regulator IscR |
| 1 | 118 | NCBIfam | TIGR00738 | Rrf2 family transcriptional regulator |
| 1 | 131 | Gene3D | G3DSA:1.10.10.10 | - |
| 1 | 131 | InterPro | IPR036388 | Winged helix-like DNA-binding domain superfamily |
| 1 | 129 | PANTHER | PTHR33221 | WINGED HELIX-TURN-HELIX TRANSCRIPTIONAL REGULATOR, RRF2 FAMILY |
| 1 | 129 | InterPro | IPR000944 | Transcription regulator Rrf2 |
| 1 | 120 | SUPERFAMILY | SSF46785 | Winged helix DNA-binding domain |
| 1 | 120 | InterPro | IPR036390 | Winged helix DNA-binding domain superfamily |
3D Structure
Selected loaded structure. Experimental PDB entries may cover only a portion of the sequence; predicted models typically cover the full protein.
Loading 3D structure...
Structural evidence
0 + 2Experimental PDB entries and predicted models. Click Switch to display a different structure in the viewer.
| Entry | Method | Resolution | Chain | Coverage | Links | Status |
|---|---|---|---|---|---|---|
|
AlphaFold
AF_A0A0H3GW44
|
AlphaFold | — | — | full sequence | — | Viewing |
|
ColabFold
VK055_4638
|
ColabFold | — | — | full sequence | — | Loaded |
Pocket details FPocket · P2Rank — toggle visibility and zoom from here, or open full viewer
Pockets (FPOCKET)
Showing top-ranked FPocket candidates by druggability. Druggability is color-coded: high (0.7 or higher), medium (0.4 to 0.69), low (below 0.4).
| FPOCKET | Sticks | Spheres | Surfaces | Druggability | Labels | Zoom | Positions |
|---|---|---|---|---|---|---|---|
| 6 | 0.33 |
Pockets (P2RANK)
Showing top-ranked P2Rank candidates by probability. Probability is color-coded per P2Rank calibration: high (≥ 0.5), medium (0.2 – 0.49), low (< 0.2).
| P2RANK | Sticks | Spheres | Surfaces | Score | Probability | Labels | Zoom | Positions |
|---|---|---|---|---|---|---|---|---|
| 1 | 7.48 | 0.393 |
Ligand evidence
Ligands grouped by evidence source. PDB ligands keep the source crystal visible, and loaded crystals can be opened directly in the structure viewer.
Highest-confidence structural evidence: ligands co-crystallized with this exact protein. If the source PDB is loaded in TPW, use Open crystal to inspect it in the structure viewer.
No PDB structure with a co-crystallized ligand found for this exact protein.
Structural evidence inferred from similar proteins. The source crystal indicates where the ligand was observed; the UniProt column identifies the homologous protein carrying that ligand.
| Ligand | Source crystal | UniProt (homolog) | MW · LogP · TPSA | Lipinski | PAINS | SMILES |
|---|---|---|---|---|---|---|
| FES | F2RGC9 | 175.8 Da LogP 1.29 TPSA 0.0 | ✓ Ro5 | ✓ Clean |
S1[Fe]S[Fe]1
|
Experimental bioactivity from ChEMBL measured directly on this protein. Score = pchembl (−log Ki/IC₅₀; higher = more potent).
No ChEMBL bioactivity data found for this exact protein.
Bioactivity inferred from similar proteins in ChEMBL. Score = pchembl (−log Ki/IC₅₀; higher = more potent).
No ChEMBL hits found through similar proteins.
Proposed virtual-screening candidates from ZINC. Score = Tanimoto similarity to a known binder (0–1; higher = more similar).
No virtual-screening candidates for this protein.
PDB and ChEMBL records on this protein are shown in full. ChEMBL records from similar proteins are capped at the top 100 per protein (by pchembl) and ZINC at the top 50 (Tanimoto ≥ 0.5). ADME columns are descriptor-based screening flags, not experimental toxicity results.