1WB8
Iron Superoxide Dismutase (FE-SOD) from the Hyperthermophile SULFOLOBUS SOLFATARICUS. 2.3 A Resolution Structure of Recombinant Protein with a Covalently Modified Tyrosine in the Active Site.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1ABM | PDB ENTRY 1ABM |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 294 | CRYSTALS WERE GROWN BY VAPOR DIFFUSION IN HANGING DROPS AT 21C IN A 1 TO 1 MIX OF THE RESERVOIR SOLUTION (8% PEG 8000, 0.1 M TRIS/HCL PH 8.5) AND A PROTEIN SOLUTION (2.0 MG/ML SSSOD). |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.31 | 45 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 76.266 | ¦Á = 90 |
b = 124.324 | ¦Â = 128.75 |
c = 60.268 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 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 | 294 | IMAGE PLATE | MARRESEARCH | 1997-07-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU ROTAFLEX RU-2 |
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 | 2.3 | 62 | 96.3 | 0.09 | 7.4 | 4.2 | 18647 | 14.9 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.3 | 2.36 | 94.7 | 0.31 | 2.3 | 4 |
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 1ABM | 2.3 | 22.91 | 18643 | 955 | 95.8 | 0.167 | 0.167 | 0.187 | RANDOM | 23.3 |
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] | |
-3.11 | -0.41 | 4.85 | -1.75 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 21.2 |
c_scangle_it | 3.91 |
c_scbond_it | 2.78 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.74 |
c_mcangle_it | 0.64 |
c_mcbond_it | 0.35 |
c_bond_d | 0.006 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3342 |
Nucleic Acid Atoms | |
Solvent Atoms | 173 |
Heterogen Atoms | 22 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALA | data scaling |
AMoRE | phasing |