1K3Z
X-ray crystal structure of the IkBb/NF-kB p65 homodimer complex
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1IKN | IkBalpha/p65dd (pdb entry 1ikn) |
Crystallization
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.09 | 41.03 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 46.4 | α = 95.17 |
b = 48.92 | β = 91.8 |
c = 59.47 | γ = 105.45 |
Symmetry | |
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Space Group | P 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 110 | AREA DETECTOR | MARRESEARCH | 2000-04-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.5 | 30 | 80 | 0.079 | 7.9 | 7 | 16126 | 13724 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.5 | 2.6 | 72 | 0.253 | 3 | 1430 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | IkBalpha/p65dd (pdb entry 1ikn) | 2.5 | 30 | 2 | 16126 | 13724 | 669 | 80 | 0.181 | 0.256 | random |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_angle_d | 1.32 |
x_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3670 |
Nucleic Acid Atoms | |
Solvent Atoms | 99 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |