Current Protein Identity：A1KGE7
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 7KUF Transcription activation subcomplex with WhiB7 bound to SigmaAr4-RNAP Beta flap tip chimera and DNA Deposited 2020-11-24 | Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers |
Chain B
815–829（15 aa）
|
Not recorded | SF4 IRON/SULFUR CLUSTER × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 8；291 K；0.2-0.3 M NH4H2PO4
|
Resolution 2.60 Å R-free 0.255 |
| 7KUG Fe-S cluster-bound transcription activator WhiB7 in complex with the SigmaAr4-RNAP Beta flap tip chimera Deposited 2020-11-24 | Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
815–829（15 aa）
|
Non-standard monomer：Yes (specific site not provided by mmCIF) | SF4 IRON/SULFUR CLUSTER × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 8；291 K；0.1 M Tris pH 8.0,
10-15% PEG8000,
2-5% PGA
|
Resolution 1.55 Å R-free 0.200 |
| 7KUG Fe-S cluster-bound transcription activator WhiB7 in complex with the SigmaAr4-RNAP Beta flap tip chimera Deposited 2020-11-24 | Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
815–829（15 aa）
|
Non-standard monomer：Yes (specific site not provided by mmCIF) | SF4 IRON/SULFUR CLUSTER × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 8；291 K；0.1 M Tris pH 8.0,
10-15% PEG8000,
2-5% PGA
|
Resolution 1.55 Å R-free 0.200 |
| 8CYF WhiB3 bound to SigmaAr4-RNAP Beta flap tip chimera and DNA Deposited 2022-05-23 | Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers |
Chain B
815–829（15 aa）
|
Not recorded | SF4 IRON/SULFUR CLUSTER × 1 CAC CACODYLATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1 M Ca(Ac)2, 0.1 M Na Cacodylate, pH 6.5, 10%~13% PEG8000
|
Resolution 2.44 Å R-free 0.251 |