2PN0
Prokaryotic transcription elongation factor GreA/GreB from Nitrosomonas europaea
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 291 | 0.05 M Calcium chloride, 0.1 M Na Acetate, 20% PEG3350, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 41.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 76.628 | α = 90 |
b = 80.838 | β = 90 |
c = 171.387 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | CCD | ADSC QUANTUM 315 | 2006-12-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97920 | APS | 19-ID |
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 | 1.7 | 39.9 | 99.3 | 0.068 | 37.2 | 7.6 | 58450 | 58450 | 31.2 |
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) | |||||||||||
1.7 | 1.74 | 90.2 | 0.609 | 1.76 | 3.8 | 3521 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | SAD | THROUGHOUT | 1.7 | 39.9 | 55435 | 55435 | 2950 | 99.2 | 0.1781 | 0.1781 | 0.1766 | 0.2055 | RANDOM | 19.619 |
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] | |
-0.31 | 0.27 | 0.04 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.319 |
r_dihedral_angle_4_deg | 17.254 |
r_dihedral_angle_3_deg | 13.179 |
r_dihedral_angle_1_deg | 6.062 |
r_scangle_it | 3.756 |
r_scbond_it | 2.395 |
r_angle_refined_deg | 1.58 |
r_mcangle_it | 1.508 |
r_mcbond_it | 1.049 |
r_nbtor_refined | 0.307 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3983 |
Nucleic Acid Atoms | |
Solvent Atoms | 571 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SBC-Collect | data collection |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
SHELXD | phasing |
MLPHARE | phasing |
DM | phasing |
SOLVE | phasing |
RESOLVE | phasing |
HKL-3000 | phasing |