4QHI
Crystal structure of Methanocaldococcus jannaschii selecase mutant R36W
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 7.5 | 277 | 0.1M Tris-HCl, 0.15M NaCl (obtained after storage at 277K for one month), pH 7.5, EVAPORATION |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.73 | 54.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.69 | α = 90 |
b = 101.09 | β = 99.83 |
c = 76.47 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | PIXEL | DECTRIS PILATUS 6M | 2014-04-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.8726 | ESRF | ID23-2 |
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 | 2.3 | 42 | 99.8 | 0.101 | 15 | 25107 | 25107 | 48.32 |
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 | 2.3 | 42 | 99.8 | 0.101 | 15 | 25107 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | Dimeric selecase | 2.3 | 42 | 25107 | 25107 | 739 | 99.8 | 0.222 | 0.222 | 0.222 | 0.247 | RANDOM | 61.87 |
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] | |
-1.5423 | -2.8687 | 10.5652 | -9.0229 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 3.51 |
t_omega_torsion | 2.67 |
t_angle_deg | 1.11 |
t_bond_d | 0.009 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_chiral_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3618 |
Nucleic Acid Atoms | |
Solvent Atoms | 149 |
Heterogen Atoms | 29 |
Software
Software | |
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Software Name | Purpose |
MOLREP | phasing |
BUSTER | refinement |
XDS | data reduction |
XSCALE | data scaling |