3C3T
Role of a Glutamate Bridge Spanning the Dimeric Interface of Human Manganese Superoxide Dismutase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1LUV | PDB ENTRY 1LUV |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 300 | 100mM Imidazole, 100mM Malic Acid, 3.0M Ammonium Sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 300K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 81.293 | α = 90 |
b = 81.293 | β = 90 |
c = 241.693 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 | 300 | IMAGE PLATE | RIGAKU RAXIS IV++ | osmic mirrors | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R | 1.54178 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.2 | 20 | 94.1 | 0.077 | 33 | 5.6 | 27000 | 25122 | 1 | 1 | 14.7 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.2 | 2.23 | 68.3 | 0.144 | 2.2 | 2183 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1LUV | 2.2 | 19.97 | 22986 | 1111 | 92.2 | 0.175 | 0.175 | 0.201 | RANDOM | 23.7 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.14 | 0.14 | -0.28 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 20.9 |
c_scangle_it | 3.23 |
c_improper_angle_d | 2.59 |
c_scbond_it | 2.16 |
c_mcangle_it | 1.82 |
c_angle_deg | 1.4 |
c_mcbond_it | 1.18 |
c_bond_d | 0.017 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3106 |
Nucleic Acid Atoms | |
Solvent Atoms | 175 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
CrystalClear | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |