4MEZ
Crystal structure of M68L/M69T double mutant TEM-1
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 295.15 | 1.5M ammonium sulfate, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.28 | 45.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 34.333 | α = 70.83 |
b = 55.071 | β = 81.22 |
c = 77.681 | γ = 71.84 |
Symmetry | |
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Space Group | P 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | RIGAKU SATURN 944 | VariMax HF | 2012-01-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 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 | 2.047 | 73.26 | 99.2 | 0.152 | 11.8 | 7.9 | 31963 | 31707 |
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 | 2.047 | 2.09 | 97.2 | 0.392 | 3.5 | 5.9 | 1521 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB ENTRY 1ZG4 | 2.047 | 73.26 | 30099 | 30099 | 1607 | 98.76 | 0.19495 | 0.19495 | 0.19211 | 0.2478 | RANDOM | 11.363 |
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] | |
-0.17 | -0.09 | 0.21 | 0.12 | -0.24 | 0.19 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.418 |
r_dihedral_angle_4_deg | 18.54 |
r_dihedral_angle_3_deg | 13.538 |
r_dihedral_angle_1_deg | 5.985 |
r_angle_refined_deg | 2.001 |
r_chiral_restr | 0.133 |
r_bond_refined_d | 0.02 |
r_gen_planes_refined | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4000 |
Nucleic Acid Atoms | |
Solvent Atoms | 346 |
Heterogen Atoms | 23 |
Software
Software | |
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Software Name | Purpose |
StructureStudio | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |