2BX9
Crystal structure of B.subtilis Anti-TRAP protein, an antagonist of TRAP-RNA interactions
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.5 | CONDITIONS: 21-23 % (W/V) POLY(ETHYLENE) GLYCOL 5000 MONMETHYL ETHER; 0.1 M SODIUM CACODYLATE PH 6.5; 50 MM MAGNESIUM ACETATE CRYOSOLUTION: 16 % GLYCEROL (V/V) WITH HIGHER CONCENTRATION OF POLY(ETHYLENE) GLYCOL |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 48 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 51.552 | α = 113.99 |
b = 60.125 | β = 101.37 |
c = 60.348 | γ = 100.5 |
Symmetry | |
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Space Group | P 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 | 120 | CCD | ADSC CCD | 2003-06-27 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | 0.87, 1.28258 | SRS | PX9.6 |
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 | 2.8 | 20 | 93.4 | 0.11 | 5.7 | 1.9 | 14370 |
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 | 2.8 | 2.95 | 83 | 0.18 | 2.4 | 1.8 |
Refinement
Statistics | |||||||||||||||||||
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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 | MAD | THROUGHOUT | 2.8 | 20 | 13637 | 724 | 94.2 | 0.197 | 0.192 | 0.296 | RANDOM | 75.31 |
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] | |
2.28 | -0.07 | 0.48 | 0.68 | 0.59 | -2.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.53 |
r_dihedral_angle_4_deg | 20.978 |
r_dihedral_angle_3_deg | 20.124 |
r_scangle_it | 6.986 |
r_dihedral_angle_1_deg | 5.14 |
r_scbond_it | 4.893 |
r_mcangle_it | 1.752 |
r_angle_refined_deg | 1.369 |
r_mcbond_it | 1.043 |
r_nbtor_refined | 0.31 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4692 |
Nucleic Acid Atoms | |
Solvent Atoms | 130 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
SHELXD | phasing |
SHARP | phasing |
REFMAC | refinement |