Crystal structure of exo-beta-1,3-galactanase from Phanerochaete chrysosporium Pc1,3Gal43A apo form
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 2.1 M ammonium sulfate, 0.1 M citrate buffer pH 5.5. |
| 2 | VAPOR DIFFUSION | 5.5 | 293 | 16% (w/v) polyethylene glycol (PEG) 10000 95 mM ammonium sulfate 95 mM bis-tris 4.8% (v/v) glycerol |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.05 | 40.03 |
| 2.47 | 50.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 40.47 | α = 72.03 |
| b = 66.262 | β = 84.68 |
| c = 74.021 | γ = 82.15 |
| 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 | 95 | CCD | ADSC QUANTUM 315 | 2008-02-11 | M | SINGLE WAVELENGTH | ||||||
| 2 | 2 | x-ray | 95 | CCD | ADSC QUANTUM 4r | 2008-11-26 | M | MAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-5A | 0.90646 | Photon Factory | BL-5A |
| 2 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-6A | 0.97882,0.97950,0.98300,0.96400 | Photon Factory | BL-6A |
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 | 1.4 | 50 | 95.6 | 0.054 | 22.4 | 1.9 | 136692 | ||||||||||||
| 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 | 1.4 | 1.45 | 89 | 0.37 | 2.8 | 1.7 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | MAD | FREE R-VALUE | 1.4 | 8 | 1.96 | 136655 | 6862 | 95.46 | 0.1562 | 0.1547 | 0.15 | 0.1856 | 0.19 | Random selection | 17.1719 | ||||
| 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] | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6436 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1242 |
| Heterogen Atoms | 109 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| REFMAC | refinement |
| Coot | model building |
| MOLREP | phasing |
| ARP/wARP | model building |
| SOLVE | phasing |
| RESOLVE | phasing |
| DENZO | data reduction |
| SCALEPACK | data scaling |














