Crystal Structure of the alpha-L-arabinofuranosidase UmAbf62A from Ustilago maydis in complex with L-arabinofuranose
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4N1I | PDB entry 4N1I |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5 | 285 | 20% (w/v) PEG 3350 0.2 M Sodium phosphate 0.05 M Na Acetate, VAPOR DIFFUSION, HANGING DROP, temperature 285.0K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.82 | 32.56 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 60.08 | α = 90 |
| b = 66.07 | β = 90 |
| c = 68.1 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
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 | 2012-11-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.93340 | ESRF | ID14-1 |
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 | 1.2 | 50 | 95.9 | 0.026 | 35 | 4.3 | 85293 | 81763 | 1 | -3 | 12.6 | ||||||||
| 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 | 1.2 | 1.23 | 89.9 | 0.143 | 9.35 | 4.2 | 5597 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 4N1I | 1.2 | 47.42 | 1 | 81763 | 77664 | 4098 | 95.85 | 0.10118 | 0.09965 | 0.12 | 0.13016 | 0.14 | RANDOM | 10.908 | ||
| 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 | 0.04 | -0.04 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_sphericity_free | 35.944 |
| r_dihedral_angle_2_deg | 29.774 |
| r_dihedral_angle_4_deg | 25.815 |
| r_dihedral_angle_3_deg | 11.796 |
| r_sphericity_bonded | 10.793 |
| r_dihedral_angle_1_deg | 7.884 |
| r_rigid_bond_restr | 6.109 |
| r_long_range_B_refined | 4.768 |
| r_long_range_B_other | 3.877 |
| r_scangle_other | 3.328 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2376 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 438 |
| Heterogen Atoms | 29 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DNA | data collection |
| PHASER | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |














