2C9U
1.24 Angstroms resolution structure of as-isolated Cu-Zn Human Superoxide dismutase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HL5 | PDB ENTRY 1HL5 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8 | 3.0 M AMMONIUM SULPHATE, 100 MM SODIUM CHLORITE, 50MM SODIUM ACETATE BUFFER, pH 8.00 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2 | 39 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.638 | α = 90 |
b = 67.553 | β = 106.48 |
c = 52.32 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARRESEARCH | MIRRORS | 2003-07-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX10.1 | SRS | PX10.1 |
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 | 1.24 | 30 | 96.3 | 0.06 | 20 | 3.5 | 70045 |
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) | |||||||||||
1 | 1.24 | 1.28 | 92.5 | 0.4 | 2.2 | 2.2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 1HL5 | 1.24 | 50.19 | 66500 | 3501 | 95.8 | 0.141 | 0.139 | 0.176 | RANDOM | 12.39 |
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] | |
0.43 | 0.24 | -0.36 | 0.06 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.028 |
r_dihedral_angle_4_deg | 13.63 |
r_dihedral_angle_3_deg | 11.843 |
r_dihedral_angle_1_deg | 6.798 |
r_scangle_it | 4.618 |
r_scbond_it | 3.718 |
r_mcangle_it | 3.041 |
r_angle_other_deg | 2.495 |
r_mcbond_it | 2.417 |
r_angle_refined_deg | 1.841 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2214 |
Nucleic Acid Atoms | |
Solvent Atoms | 389 |
Heterogen Atoms | 29 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
MOLREP | phasing |