3T2P
E. coli (lacZ) beta-galactosidase (S796D) in complex with IPTG
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | 8-10% PEG 8000, 100 MM BIS-TRIS, 200 MM MGCL2, 100 MM NACL, 10 MM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.63 | 53.17 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 150.869 | α = 90 |
b = 166.171 | β = 90 |
c = 200.786 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 210 | KOHZU Double Crystal Si(111) | 2006-05-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.11587 | ALS | 8.3.1 |
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 | 2.6 | 200 | 98.7 | 0.076 | 22.2 | 6.7 | 153180 | 153180 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.6 | 2.64 | 84.3 | 0.382 | 2.4 | 3.8 |
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 | FOURIER SYNTHESIS | THROUGHOUT | 2.6 | 74.67 | 150930 | 150930 | 2160 | 100 | 0.18491 | 0.18411 | 0.24181 | RANDOM | 52.554 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-2.38 | 4.95 | -2.57 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.148 |
r_dihedral_angle_4_deg | 14.448 |
r_dihedral_angle_3_deg | 14.066 |
r_scangle_it | 6.049 |
r_dihedral_angle_1_deg | 5.963 |
r_scbond_it | 4.168 |
r_mcangle_it | 3.047 |
r_mcbond_it | 1.796 |
r_angle_refined_deg | 1.035 |
r_chiral_restr | 0.069 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 32629 |
Nucleic Acid Atoms | |
Solvent Atoms | 1313 |
Heterogen Atoms | 330 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |