2O1C
Structure of the E. coli dihydroneopterin triphosphate pyrophosphohydrolase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | 298 | 1.3-1.5 Ammonium sulfate, 1% propanol, 3-5 mM DTT, 4mM sodium pyrophosphate, 100mM Na Hepes pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.84 | 32.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 124.104 | α = 90 |
b = 42.579 | β = 115.69 |
c = 106.467 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 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 | 100 | IMAGE PLATE | FUJI | 1997-04-10 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 298 | IMAGE PLATE | RIGAKU RAXIS IIC | 1998-08-08 | M | SINGLE WAVELENGTH | ||||||
1,2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X4A | 1.1 | NSLS | X4A |
2 | ROTATING ANODE | RIGAKU RU200 | 1.541 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.8 | 95.945 | 95.6 | 0.086 | 10.2 | 44935 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1,2 | 1.8 | 1.88 | 95.7 | 0.342 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | 1.8 | 95.78 | 44933 | 2238 | 95.62 | 0.229 | 0.226 | 0.23 | 0.289 | 0.29 | RANDOM | 21.949 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
0.29 | 0.64 | -0.32 | 0.59 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.783 |
r_dihedral_angle_4_deg | 16.88 |
r_dihedral_angle_3_deg | 15.036 |
r_dihedral_angle_1_deg | 5.736 |
r_scangle_it | 2.132 |
r_scbond_it | 1.411 |
r_angle_refined_deg | 1.237 |
r_mcangle_it | 0.838 |
r_mcbond_it | 0.519 |
r_symmetry_vdw_refined | 0.414 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4706 |
Nucleic Acid Atoms | |
Solvent Atoms | 611 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
DENZO | data reduction |
SHARP | phasing |