THE CRYSTAL STRUCTURE OF 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE FROM COMAMONAS TESTOSTERONI, A MEMBER OF THE SHORT CHAIN DEHYDROGENASE/REDUCTASE FAMILY
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277 | PEG4000, ammonium acetate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.19 | 43.96 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 43.256 | α = 106.54 | 
| b = 46.208 | β = 106.56 | 
| c = 65.32 | γ = 98.75 | 
| Symmetry | |
|---|---|
| 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 | IMAGE PLATE | RIGAKU RAXIS | 1999-10-20 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | RIGAKU | |||
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 | 1.65 | 30.02 | 97.7 | 0.043 | 69.7 | 7.46 | 50140 | 50140 | 17.7 | ||||||||||
| 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) | |||||||||||
| 1.65 | 1.66 | 74 | 0.271 | 4.2 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | THROUGHOUT | 1.68 | 30.02 | 2 | 46989 | 1882 | 91.7 | 0.2 | 0.2 | 0.229 | RANDOM | 20.2 | |||||||
| 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] | |
| 0.81 | -0.77 | -1.5 | 1.59 | 0.4 | -2.4 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| c_dihedral_angle_d | 22.3 | 
| c_angle_deg | 1.2 | 
| c_improper_angle_d | 0.79 | 
| c_bond_d | 0.005 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3382 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 405 | 
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| AMoRE | phasing | 
| CNS | refinement | 
| SCALEPACK | data scaling | 














