Crystal Structure of DesIV (dTDP-glucose 4,6-dehydratase) from Streptomyces venezuelae with NAD and TYD bound
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1BXK | PDB ENTRY 1BXK |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | Batch | 6.3 | 277 | PEG 8000, magnesium acetate tetrahydrate, sodium cacodylate, pH 6.3, Batch, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2 | 38.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 75.501 | α = 90 |
| b = 99.799 | β = 90 |
| c = 42.187 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 94 | CCD | SBC-3 | Mirrors | 2002-12-04 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.97930 | APS | 19-BM |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.44 | 50 | 98.6 | 0.066 | 26.4 | 5.5 | 57828 | 56518 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.44 | 1.49 | 99.9 | 0.212 | 6.8 | 4 | 5618 | ||||||||||||
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-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1BXK | 1.44 | 30 | 57828 | 56518 | 5729 | 99 | 0.176 | 0.3 | 0.231 | RANDOM | ||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_angle_deg | 2.34 |
| t_bond_d | 0.013 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2475 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 273 |
| Heterogen Atoms | 70 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| SCALEPACK | data scaling |
| AMoRE | phasing |
| TNT | refinement |
| HKL-2000 | data reduction |














