Current Protein Identity：P42227
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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 |
|---|---|---|---|---|---|---|---|
| 1BG1 TRANSCRIPTION FACTOR STAT3B/DNA COMPLEX Deposited 1998-06-03 | Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers |
Chain A
127–722（596 aa）
|
Non-standard monomer：Yes (specific site not provided by mmCIF) | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
pH 7；pH 7.0
|
Resolution 2.25 Å R-free 0.301 |
| 3CWG Unphosphorylated mouse STAT3 core fragment Deposited 2008-04-21 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
127–688（562 aa）
Fragment：STAT3 Core Fragment, UNP residues (127-688)
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.7；277 K；0.1M Bis-tris, 0.5M ammonium sulfate, 12% PEG3350, 0.1mM KCl, 0.05M NaI, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
|
Resolution 3.05 Å R-free 0.269 |
| 3CWG Unphosphorylated mouse STAT3 core fragment Deposited 2008-04-21 | Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain B
127–688（562 aa）
Fragment：STAT3 Core Fragment, UNP residues (127-688)
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.7；277 K；0.1M Bis-tris, 0.5M ammonium sulfate, 12% PEG3350, 0.1mM KCl, 0.05M NaI, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
|
Resolution 3.05 Å R-free 0.269 |
| 4E68 Unphosphorylated STAT3B core protein binding to dsDNA Deposited 2012-03-15 | Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers |
Chain A
127–722（596 aa）
Fragment：STAT3 Core Fragment, residues (127-722)
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.6；277 K；0.005M MgSO4, 0.1M ammonium acetate, 10% glycerol, 0.05M MES pH 5.6, 0.25M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 277K
|
Resolution 2.58 Å R-free 0.273 |
| 4ZIA Crystal Structure of STAT3 N-terminal domain Deposited 2015-04-28 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
3–127（125 aa）
Fragment：N-terminal domain (UNP residues 3-127)
Chain B
3–127（125 aa）
Fragment：N-terminal domain (UNP residues 3-127)
|
Not recorded | NI NICKEL (II) ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；298 K；20% v/v PEG 3350, 0.2M magnesium formate
|
Resolution 2.70 Å R-free 0.270 |
| 4ZIA Crystal Structure of STAT3 N-terminal domain Deposited 2015-04-28 | Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
3–127（125 aa）
Fragment：N-terminal domain (UNP residues 3-127)
Chain D
3–127（125 aa）
Fragment：N-terminal domain (UNP residues 3-127)
|
Not recorded | FMT FORMIC ACID × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；298 K；20% v/v PEG 3350, 0.2M magnesium formate
|
Resolution 2.70 Å R-free 0.270 |
| 4ZIA Crystal Structure of STAT3 N-terminal domain Deposited 2015-04-28 | Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain E
3–127（125 aa）
Fragment：N-terminal domain (UNP residues 3-127)
|
Not recorded | MG MAGNESIUM ION × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；298 K；20% v/v PEG 3350, 0.2M magnesium formate
|
Resolution 2.70 Å R-free 0.270 |