3CZJ
E. COLI (lacZ) BETA-GALACTOSIDASE (N460T) IN COMPLEX WITH D-GALCTOPYRANOSYL-1-ONE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | PEG 8000, NaCl, MgCl2, DTT, Bis-Tris, pH 6.5, HANGING DROP at 288K, pH 6.50, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.66 | 53.67 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 151.443 | α = 90 |
b = 161.643 | β = 90 |
c = 202.155 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
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 | ADSC QUANTUM 210 | KOHZU: Double Crystal Si(111) | 2006-08-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.11587 | ALS | 8.3.1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.05 | 75.05 | 81.1 | 2.06 | 249249 | 249249 | 10.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.05 | 81.1 | 13 | 2.06 | 308903 |
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 1DPO | 2.05 | 75.05 | 308903 | 249249 | 3564 | 80.7 | 0.194 | 0.194 | 0.193 | 0.231 | 1.5%, consistent with previous structures. | 18.43 |
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] | |
-0.52 | 1.6 | -1.08 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_torsion_deg | 25.7 |
x_angle_deg | 1.4 |
x_torsion_impr_deg | 0.91 |
x_bond_d | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 32496 |
Nucleic Acid Atoms | |
Solvent Atoms | 2607 |
Heterogen Atoms | 449 |
Software
Software | |
---|---|
Software Name | Purpose |
CNS | refinement |
ADSC | data collection |
MOSFLM | data reduction |
SCALA | data scaling |
CNS | phasing |