3CN6
Crystal structure of the Spinach Aquaporin SoPIP2;1 S274E mutant
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 280 | Reservoir: 0.1M Tris, 0.2M NaCl, 24% PEG400. Reservoir mixed 1:4 with 0.1M CdCl2, and then mixed 1:1 with protein, centrifuged briefly and supernatant used for crystallization, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 280K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.91 | 57.74 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 89.558 | α = 90 |
b = 89.558 | β = 90 |
c = 189.271 | γ = 90 |
Symmetry | |
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Space Group | I 4 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | CCD | ADSC QUANTUM 4 | 2007-09-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | 0.931 | ESRF | ID14-3 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.95 | 34.86 | 100 | 0.155 | 4 | 15560 | 15560 |
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) | |||||||||||
2.95 | 3.11 | 0.33 | 4.2 | 2274 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.95 | 34.86 | 14788 | 772 | 99.3 | 0.19736 | 0.19567 | 0.22985 | RANDOM | 32.609 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.659 |
r_dihedral_angle_3_deg | 18.854 |
r_dihedral_angle_4_deg | 14.048 |
r_dihedral_angle_1_deg | 6.396 |
r_scangle_it | 4.068 |
r_scbond_it | 3.352 |
r_angle_refined_deg | 2.052 |
r_mcangle_it | 1.791 |
r_mcbond_it | 1.275 |
r_symmetry_hbond_refined | 0.407 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3656 |
Nucleic Acid Atoms | |
Solvent Atoms | 45 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |