Current Protein Identity：O31602
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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 |
|---|---|---|---|---|---|---|---|
| 1Z3E Crystal Structure of Spx in Complex with the C-terminal Domain of the RNA Polymerase Alpha Subunit Deposited 2005-03-11 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–131（131 aa）
Fragment：transcription regulator
|
Not recorded | SO4 SULFATE ION × 4 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 5.6；273 K；lithium sulfate, ammonium sulfate, sodium citrate, pH 5.6, VAPOR DIFFUSION, temperature 273K
|
Resolution 1.50 Å R-free 0.220 |
| 3GFK Crystal structure of Bacillus subtilis Spx/RNA polymerase alpha subunit C-terminal domain complex Deposited 2009-02-27 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–131（131 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 5；295 K；vapor diffusion against 6% (w/v) PEG 6000, 100 mM sodium acetate, pH 5.0, 10 micromolar CuCl2, protein concentration 11.5 mg/mL, temperature 295K
|
Resolution 2.30 Å R-free 0.282 |
| 3IHQ Crystal Structure of Reduced C10S Spx in Complex with the Alpha C-terminal Domain of RNA Polymeras Deposited 2009-07-30 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–131（131 aa）
|
Mutation：C10S | IMD IMIDAZOLE × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.3；273 K；25-30% PEG 4000, 0.1 M sodium citrate, 0.1 M magnesium chloride, pH 5.3, VAPOR DIFFUSION, HANGING DROP, temperature 273K
|
Resolution 1.90 Å R-free 0.278 |
| 6GHB Crystal structure of Spx in complex with YjbH (oxidized) Deposited 2018-05-06 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–131（131 aa）
|
Not recorded | MG MAGNESIUM ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；Na-HEPES pH 7.5, MgCl2 and PEG400
|
Resolution 3.10 Å R-free 0.266 |
| 6GHB Crystal structure of Spx in complex with YjbH (oxidized) Deposited 2018-05-06 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
1–131（131 aa）
|
Not recorded | MG MAGNESIUM ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；Na-HEPES pH 7.5, MgCl2 and PEG400
|
Resolution 3.10 Å R-free 0.266 |
| 6GHO Crystal structure of Spx in complex with YjbH Deposited 2018-05-08 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–131（131 aa）
|
Not recorded | CL CHLORIDE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；PEG 3350, MgCl2 and Bis-Tris pH 6.0
|
Resolution 1.79 Å R-free 0.221 |