3D53
2.2 A crystal structure of inorganic pyrophosphatase from Rickettsia prowazekii
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 4.5 | 293 | 2.5M NaCl, 0.1M Na acetate pH 4.5, 0.2M Li2SO4, VAPOR DIFFUSION, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.36 | 47.78 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 68.97 | α = 90 |
b = 115.23 | β = 90 |
c = 139.73 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210 | Adjustable focusing mirrors | 2008-04-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.977408 | ALS | 5.0.1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.2 | 34.94 | 98.8 | 0.132 | 0.132 | 5 | 6.2 | 56518 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.2 | 2.32 | 97.6 | 0.524 | 0.524 | 1.5 | 5.9 | 8016 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 2EIP | 2.2 | 33.56 | 56507 | 2855 | 98.53 | 0.22 | 0.217 | 0.28 | RANDOM | 20.576 |
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 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.986 |
r_dihedral_angle_4_deg | 18.916 |
r_dihedral_angle_3_deg | 16.913 |
r_dihedral_angle_1_deg | 5.901 |
r_scangle_it | 2.302 |
r_scbond_it | 1.44 |
r_angle_refined_deg | 1.277 |
r_mcangle_it | 1.045 |
r_mcbond_it | 0.601 |
r_nbtor_refined | 0.302 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8072 |
Nucleic Acid Atoms | |
Solvent Atoms | 547 |
Heterogen Atoms | 38 |
Software
Software | |
---|---|
Software Name | Purpose |
SCALA | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |
MOSFLM | data reduction |