Crystal structure of S-adenosyl-L-homocysteine hydrolase from Burkholderia pseudomallei in complex with 9-beta-D-arabino-furansyl-adenine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3D64 | pdb entry 3d64 split in two domains: 12-224 and 227-391 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 290 | JCSG+ A2: 100MM NA CITRATE PH 5.5, 20% PEG 3000, BUPSA.00032.A AT 21.5MG/ML, VAPOR DIFFUSION, SITTING DROP, temperature 290K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.75 | 55.32 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 86.9 | α = 90 |
| b = 86.9 | β = 90 |
| c = 318.2 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 41 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 | 100 | CCD | RIGAKU SATIRN 944+ | 2009-03-05 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.5418 | ||
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 | 2.3 | 50 | 95.2 | 0.088 | 20.04 | 7.9 | 52901 | 52901 | -3 | -3 | 27.05 | ||||||||
| 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) | |||||||||||
| 2.3 | 2.36 | 80.9 | 0.516 | 3.1 | 4.8 | 3258 | |||||||||||||
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 (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 3d64 split in two domains: 12-224 and 227-391 | 2.3 | 48.63 | 52826 | 52826 | 2666 | 95.3 | 0.152 | 0.152 | 0.149 | 0.15 | 0.196 | 0.2 | RANDOM | 14.23 | ||
| 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] | |
| 0.73 | 0.73 | -1.46 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.699 |
| r_dihedral_angle_4_deg | 15.788 |
| r_dihedral_angle_3_deg | 13.697 |
| r_dihedral_angle_1_deg | 6.293 |
| r_scangle_it | 3.785 |
| r_scbond_it | 2.403 |
| r_angle_refined_deg | 1.643 |
| r_mcangle_it | 1.401 |
| r_angle_other_deg | 0.952 |
| r_mcbond_it | 0.755 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7176 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 761 |
| Heterogen Atoms | 126 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| StructureStudio | data collection |
| PHASER | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |














