3VLM
Crystal Structure Analysis of the Met244Ala Variant of KatG from Haloarcula marismortui
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 288 | 2.67M ammonium sulfate, 0.5M potassium chloride, 20mM sodium phosphate, VAPOR DIFFUSION, HANGING DROP, temperature 288K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.87 | 57.11 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 315.83 | α = 90 |
b = 81.05 | β = 100.04 |
c = 74.84 | γ = 90 |
Symmetry | |
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Space Group | C 1 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 | IMAGE PLATE | RIGAKU RAXIS IV | 2006-10-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 |
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 | 35 | 93.7 | 0.159 | 4.6 | 3.59 | 116127 | 116127 | 1 | 1 |
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 | 2.01 | 2.08 | 91 | 0.435 | 2.3 | 3.57 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.33 | 24.94 | 75380 | 71879 | 3776 | 94.84 | 0.285 | 0.28288 | 0.32504 | RANDOM | 40.063 |
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] | |
-1.19 | -1.57 | -3.08 | 3.72 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 41.369 |
r_dihedral_angle_3_deg | 20.075 |
r_dihedral_angle_4_deg | 18.588 |
r_dihedral_angle_1_deg | 6.454 |
r_scangle_it | 3.067 |
r_scbond_it | 2.06 |
r_mcangle_it | 1.868 |
r_angle_refined_deg | 1.796 |
r_mcbond_it | 1.046 |
r_chiral_restr | 0.115 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10386 |
Nucleic Acid Atoms | |
Solvent Atoms | 151 |
Heterogen Atoms | 86 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
CNS | refinement |
REFMAC | refinement |
CrystalClear | data reduction |
SCALA | data scaling |
CNS | phasing |