3EEY
CRYSTAL STRUCTURE OF PUTATIVE RRNA-METHYLASE FROM Clostridium thermocellum
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 4.5 | 294 | 100MM SODIUM ACETATE, PH 4.5, 30% PEG8000, 200MM LITHIUM SULFATE, 10% GLYCEROL, 294K, pH 4.50 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.53 | 51.41 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 70.156 | α = 90 |
b = 126.913 | β = 99.54 |
c = 125.611 | 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 | ADSC QUANTUM 315 | MIRRORS | 2008-07-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.2 | 50 | 99.2 | 0.081 | 5.5 | 2.9 | 109977 | -5 |
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 | 2.2 | 2.28 | 98.3 | 0.6 | 0.8 | 2.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.2 | 20 | 105464 | 3256 | 99.13 | 0.24468 | 0.24361 | 0.27843 | RANDOM | 55.003 |
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] | |
-4.25 | 1.23 | 2.23 | 2.43 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.908 |
r_dihedral_angle_3_deg | 17.138 |
r_dihedral_angle_4_deg | 15.825 |
r_scangle_it | 10.391 |
r_scbond_it | 7.309 |
r_mcangle_it | 6.524 |
r_dihedral_angle_1_deg | 5.759 |
r_mcbond_it | 4.509 |
r_angle_refined_deg | 1.176 |
r_nbtor_refined | 0.291 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14565 |
Nucleic Acid Atoms | |
Solvent Atoms | 360 |
Heterogen Atoms | 292 |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
SHELX | phasing |