3URD
T181A mutant of alpha-Lytic Protease
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 1.3 M lithium sulfate and 20 mM Tris sulfate, pH 8.0 , VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.5 | 50.89 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.77 | α = 90 |
b = 65.77 | β = 90 |
c = 79.613 | γ = 120 |
Symmetry | |
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Space Group | P 32 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 | CCD | ADSC QUANTUM 315 | 2007-01-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 0.8 | ALS | 8.2.2 |
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 | 1.08 | 50 | 100 | 0.077 | 26.8 | 10 | 85730 | 85721 | 1 | 1 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.08 | 1.1 | 99.9 | 0.404 | 2.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.08 | 50 | 81418 | 81385 | 4284 | 99.96 | 0.12727 | 0.12727 | 0.12651 | 0.14183 | RANDOM | 6.882 |
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] | |
0.09 | 0.05 | 0.09 | -0.14 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.508 |
r_dihedral_angle_4_deg | 20.863 |
r_dihedral_angle_3_deg | 12.127 |
r_dihedral_angle_1_deg | 6.556 |
r_sphericity_free | 3.607 |
r_scangle_it | 2.61 |
r_sphericity_bonded | 2.549 |
r_scbond_it | 2.066 |
r_mcangle_it | 1.526 |
r_angle_other_deg | 1.411 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1389 |
Nucleic Acid Atoms | |
Solvent Atoms | 379 |
Heterogen Atoms | 31 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
HKL-2000 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |