Structural study of Clostridium thermocellum Ribose-5-Phosphate Isomerase B and ribose-5-phosphate
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2VVR | PDB ENTRY 2VVR |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 283 | 0.05M Tris, pH7.0, 10% PEG8000, 0.15M Magnesium chloride, 0.2M Potassium chloride, VAPOR DIFFUSION, HANGING DROP, temperature 283K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.3 | 62.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 69.381 | α = 90 |
| b = 69.381 | β = 90 |
| c = 153.566 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 32 2 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 | CCD | ADSC QUANTUM 210 | 2008-12-18 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PAL/PLS BEAMLINE 6C1 | 0.9999 | PAL/PLS | 6C1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2 | 50 | 98.3 | 0.095 | 0.095 | 31.6 | 16.3 | 29281 | 1.3 | 1.2 | 25.1 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 2 | 50 | 98.3 | 0.095 | 0.095 | 31.6 | 16.3 | 29281 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | 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 2VVR | 2 | 33.84 | 27713 | 1487 | 98.23 | 0.17668 | 0.17433 | 0.18 | 0.22051 | 0.22 | RANDOM | 25.078 | ||||
| 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] | |
| -0.01 | ||||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.281 |
| r_dihedral_angle_4_deg | 18.438 |
| r_dihedral_angle_3_deg | 13.511 |
| r_dihedral_angle_1_deg | 6.036 |
| r_scangle_it | 5.877 |
| r_scbond_it | 4.113 |
| r_mcangle_it | 2.241 |
| r_angle_refined_deg | 2.192 |
| r_mcbond_it | 1.62 |
| r_symmetry_hbond_refined | 0.435 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2244 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 165 |
| Heterogen Atoms | 28 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| swiss-model | model building |
| REFMAC | refinement |
| swiss-model | phasing |














