4S2Y
Structure of E. coli RppH bound to RNA and three magnesium ions
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4S2W | PDB ENTRY 4S2W |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 295 | crystal growth: 0.4 M ammonium sulfate, 12% PEG 3350, 10% glycerol. crystal soaking and cross-linking: 0.02 M sodium acetate pH 5.0, 0.2 sodium sulfate, 15% PEG 3350, 15% glycerol. crystal soaking and cryoprotection: 0.05 M MOPS-Na pH 7.0, 0.025 M magnesium chloride, 15% PEG 3350, 25% pentaerythritol propoxylate 5/4 PO/OH, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.05 | 40.13 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.631 | α = 90 |
b = 36.484 | β = 102.3 |
c = 58.073 | γ = 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 | 100 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2013-06-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 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 | 1.6 | 20 | 96.7 | 0.05 | 5.4 | 21164 | 21065 | 1 | 1 |
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 | 1.6 | 1.7 | 90.6 | 0.643 | 2.71 | 5 | 3134 |
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-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 4S2W | 1.6 | 19.451 | 1.37 | 21062 | 21062 | 1054 | 96.85 | 0.1735 | 0.1735 | 0.1721 | 0.1985 | 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 |
f_dihedral_angle_d | 18.616 |
f_angle_d | 1.016 |
f_chiral_restr | 0.046 |
f_bond_d | 0.007 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1262 |
Nucleic Acid Atoms | 44 |
Solvent Atoms | 119 |
Heterogen Atoms | 9 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
PHENIX | model building |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |
PHENIX | phasing |