4J5G
Crystal structure analysis of Streptomyces aureofaciens ribonuclease Sa T95A mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1RGG |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 293 | ammonium sulfate 0.8 M, cacodylate buffer 0.1M , pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.77 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.125 | α = 90 |
b = 64.196 | β = 90 |
c = 78.233 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 100 | IMAGE PLATE | MAR scanner 345 mm plate | mirrors | 2001-05-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X31 | 1.0 | EMBL/DESY, HAMBURG | X31 |
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 | 1.31 | 19.58 | 93.6 | 0.033 | 28.49 | 46925 |
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 | 1.31 | 1.32 | 80.8 | 0.197 | 4.65 | 3.2 |
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 | 1rgg | 1.31 | 18.71 | 41707 | 2204 | 93.54 | 0.11395 | 0.11206 | 0.15001 | RANDOM | 10.723 |
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] | |
0.01 | -0.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_free | 65.048 |
r_dihedral_angle_2_deg | 31.083 |
r_rigid_bond_restr | 17.997 |
r_dihedral_angle_4_deg | 17.611 |
r_sphericity_bonded | 12.14 |
r_dihedral_angle_3_deg | 11.582 |
r_dihedral_angle_1_deg | 6.635 |
r_angle_other_deg | 4.021 |
r_angle_refined_deg | 2.217 |
r_chiral_restr | 0.156 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1488 |
Nucleic Acid Atoms | |
Solvent Atoms | 462 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |