E. COLI (lacZ) BETA-GALACTOSIDASE (R599A) IN COMPLEX WITH D-GALCTOPYRANOSYL-1-ONE
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1DP0 | PDB entry 1DP0 | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | PEG8000, NaCl, MgCl2, DTT, Bis-Tris, pH6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.63 | 53.15 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 149.84 | α = 90 | 
| b = 166.31 | β = 90 | 
| c = 201.71 | 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) | 2008-08-22 | 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) | 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 | 2.2 | 21.23 | 94.9 | 0.111 | 10.7 | 6.02 | 233822 | 241025 | 25.6 | ||||||||||
| 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) | |||||||||||
| 2.2 | 2.32 | 80.7 | 0.615 | 2.4 | 4.36 | 29568 | |||||||||||||
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-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1DP0 | 2.2 | 21.23 | 253987 | 233822 | 3358 | 92.1 | 0.195 | 0.195 | 0.18 | 0.237 | 0.22 | RANDOM | 28.15 | |||
| 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] | |
| -2.72 | 12.5 | -9.78 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| x_torsion_deg | 25.3 | 
| x_angle_deg | 1.4 | 
| x_torsion_impr_deg | 0.96 | 
| x_bond_d | 0.006 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 32476 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 3151 | 
| Heterogen Atoms | 563 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| CNS | refinement | 
| ADSC | data collection | 
| MOSFLM | data reduction | 
| SCALA | data scaling | 
| CNS | phasing | 














