2Q16
Structure of the E. coli inosine triphosphate pyrophosphatase RgdB in complex with ITP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 298 | 25% PEG 4K, 200 mM Ammonium Sulfate, 100 mM Sodium Acetate, 2% iso-Propanol, 20 mM Calcium Chloride, 10mM ITP, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 120.646 | α = 90 |
b = 120.646 | β = 90 |
c = 66.562 | γ = 90 |
Symmetry | |
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Space Group | P 4 21 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 | ADSC QUANTUM 315 | mirrors | 2006-12-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97942 | APS | 19-ID |
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 | 1.95 | 500 | 99.96 | 0.089 | 39.9 | 19.4 | 36421 | 36385 | 24.8 |
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 | 1.95 | 2 | 100 | 0.551 | 5.5 | 17.7 | 2359 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.95 | 26.98 | 36421 | 34514 | 1813 | 99.93 | 0.17278 | 0.17278 | 0.17086 | 0.20829 | RANDOM | 29.725 |
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] | |
-0.01 | -0.01 | 0.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.998 |
r_dihedral_angle_4_deg | 20.06 |
r_dihedral_angle_3_deg | 13.263 |
r_dihedral_angle_1_deg | 10.601 |
r_scangle_it | 4.087 |
r_scbond_it | 2.518 |
r_angle_refined_deg | 1.678 |
r_mcangle_it | 1.502 |
r_mcbond_it | 0.833 |
r_nbtor_refined | 0.304 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2922 |
Nucleic Acid Atoms | |
Solvent Atoms | 410 |
Heterogen Atoms | 74 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-3000 | data collection |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
SHARP | phasing |