Crystal structure of the Gracilariopsis lemaneiformis alpha- 1,4-glucan lyase with deoxynojirimycin
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 2X2H | PDB ENTRY 2X2H | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 5 | 298 | 18-21% PEG 8000, 0.1 M SODIUM ACETATE, PH 5.0-5.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.5 | 51 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 134.314 | α = 90 | 
| b = 91.707 | β = 99.33 | 
| c = 192.899 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 110 | IMAGE PLATE | MAC Science DIP-2030 | OSMIC MIRRORS | 2007-03-01 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | ENRAF-NONIUS FR591 | |||
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 | 2.35 | 50 | 91 | 0.21 | 4.3 | 4 | 175340 | -3 | 33.5 | ||||||||||
| 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) | |||||||||||
| 1 | 2.35 | 2.43 | 85.2 | 0.69 | 1 | 2 | |||||||||||||
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 2X2H | 2.35 | 33.19 | 166607 | 8712 | 90.98 | 0.23673 | 0.23387 | 0.2356 | 0.29121 | 0.2965 | RANDOM | 46.07 | ||||
| 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] | |
| 2.57 | -2.95 | -1.99 | -1.53 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 36.389 | 
| r_dihedral_angle_4_deg | 17.333 | 
| r_dihedral_angle_3_deg | 16.103 | 
| r_dihedral_angle_1_deg | 8.938 | 
| r_angle_refined_deg | 1.301 | 
| r_scangle_it | 0.148 | 
| r_scbond_it | 0.117 | 
| r_chiral_restr | 0.089 | 
| r_bond_refined_d | 0.01 | 
| r_gen_planes_refined | 0.005 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 32648 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 1577 | 
| Heterogen Atoms | 114 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| DENZO | data reduction | 
| SCALEPACK | data scaling | 
| PHASER | phasing | 














