3L0O
Structure of RNA-free Rho transcription termination factor from Thermotoga maritima
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.4 | 295 | 0.1M sodium acetate, 0.8M magnesium sulphate, pH 4.4, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.75 | 67.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 139 | α = 90 |
b = 139 | β = 90 |
c = 150 | γ = 90 |
Symmetry | |
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Space Group | P 43 2 2 |
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 | MAR CCD 165 mm | 2004-07-17 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 1 | 2004-04-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | 0.931 | ESRF | ID14-3 |
2 | SYNCHROTRON | ESRF BEAMLINE ID29 | 1.005 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.1 | 40 | 99.2 | 81665 | 81012 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
2.1 | 2.2 | 90.8 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | SIRAS | THROUGHOUT | 2.35 | 38.55 | 58558 | 58230 | 3096 | 99.44 | 0.26934 | 0.26786 | 0.29716 | RANDOM | 53.647 |
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] | |
0.88 | 0.88 | -1.75 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.337 |
r_dihedral_angle_4_deg | 21.461 |
r_dihedral_angle_3_deg | 20.608 |
r_dihedral_angle_1_deg | 9.871 |
r_scangle_it | 3.646 |
r_scbond_it | 2.023 |
r_angle_refined_deg | 2.004 |
r_mcangle_it | 1.535 |
r_mcbond_it | 0.816 |
r_chiral_restr | 0.141 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6020 |
Nucleic Acid Atoms | |
Solvent Atoms | 106 |
Heterogen Atoms | 68 |
Software
Software | |
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Software Name | Purpose |
DNA | data collection |
SHELXS | phasing |
REFMAC | refinement |
XDS | data reduction |
XDS | data scaling |