Crystal structure of Pex from Synechococcus sp. (strain PCC 7942) (Anacystis nidulans R2)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2E1N | PDB ENTRY 2E1N |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 283 | 2.5M ammonium sulfate, 0.2M Lithium sulfate, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.7 | 54.42 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 117.978 | α = 90 |
b = 117.978 | β = 90 |
c = 92.21 | γ = 120 |
Symmetry | |
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Space Group | P 62 |
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 | CCD | ADSC QUANTUM 315 | mirrors | 2006-11-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 1.0 | SPring-8 | BL41XU |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.9 | 100 | 100 | 0.098 | 0.098 | 19 | 12.1 | 16173 | 14969 | 21.96 |
Highest Resolution Shell | |||||||||||||||||||
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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) | ||||||||||
2.9 | 3.06 | 100 | 0.497 | 0.497 | 3.7 | 12.9 | 1260 |
Refinement
Statistics | |||||||||||||||||||
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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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | PDB ENTRY 2E1N | 2.9 | 15 | 14969 | 756 | 92.6 | 0.24 | 0.24 | 0.24 | 0.276 | 0.28 | RANDOM | 71.2 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | |||
0.217 | 0.217 | -0.434 | 0.241 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.2 |
c_angle_deg | 1.26 |
c_improper_angle_d | 0.74 |
c_bond_d | 0.0085 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3820 |
Nucleic Acid Atoms | |
Solvent Atoms | 9 |
Heterogen Atoms | 25 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
CNS | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
CNS | phasing |