3VDA
E. coli (lacZ) beta-galactosidase (N460T)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1DP0 | PDB ENTRY 1DP0 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | 10% PEG8000, 100 mM Bis-Tris, pH 6.5, 200 mM magnesium chloride, 100 mM sodium chloride, 10 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 288K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.67 | 53.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 152.596 | α = 90 |
b = 164.691 | β = 90 |
c = 203.245 | 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 | 2004-02-01 | 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 | 2.5 | 200 | 94 | 0.103 | 11.07 | 3.6 | 166162 | 166162 | 40.8 |
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 | 2.5 | 2.54 | 54.8 | 0.237 | 2.26 | 2.3 | 4800 |
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 | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 1DP0 | 2.5 | 46.05 | 163719 | 163719 | 2358 | 100 | 0.17488 | 0.17488 | 0.174 | 0.23723 | CONSISTENT WITH PREVIOUS STRUCTURES | 44.386 |
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] | |
-3.21 | 4.24 | -1.03 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.745 |
r_dihedral_angle_3_deg | 14.697 |
r_dihedral_angle_4_deg | 13.752 |
r_dihedral_angle_1_deg | 5.973 |
r_scangle_it | 5.419 |
r_scbond_it | 3.713 |
r_mcangle_it | 2.545 |
r_mcbond_it | 1.464 |
r_angle_refined_deg | 1.15 |
r_chiral_restr | 0.079 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 32624 |
Nucleic Acid Atoms | |
Solvent Atoms | 1611 |
Heterogen Atoms | 146 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |