Structure of the catalytic domain of human endo-alpha-mannosidase MANEA in complex with HEPES
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6ZDC | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 292 | 1 M sodium succinate pH 7.0, 1% w/v PEG-MME2000 Protein at 10 mg/ml in buffer: 25 mM HEPES pH 7.0, 200 mM NaCl 100 nl protein solution and 200 nl reservoir solution. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.71 | 54.6 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 144.245 | α = 90 |
| b = 144.245 | β = 90 |
| c = 139.661 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 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 | PIXEL | DECTRIS PILATUS 6M | 2017-12-18 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.9795 | Diamond | I04 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 3 | 102.205 | 100 | 0.582 | 0.611 | 0.135 | 0.974 | 5 | 20.3 | 30161 | 41.75 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 3 | 3.16 | 99.8 | 1.175 | 1.205 | 0.265 | 0.253 | 2.9 | 20.5 | ||||||||||
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 (All) | 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 | 6ZDC | 3 | 102.205 | 30099 | 1429 | 99.947 | 0.218 | 0.2153 | 0.22 | 0.2687 | 0.27 | RANDOM | 49.027 | ||||
| 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] | |
| 0.31 | 0.31 | -0.62 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.265 |
| r_dihedral_angle_3_deg | 19.232 |
| r_dihedral_angle_4_deg | 17.66 |
| r_lrange_it | 7.502 |
| r_dihedral_angle_1_deg | 5.968 |
| r_scangle_it | 4.687 |
| r_mcangle_it | 4.566 |
| r_scbond_it | 2.899 |
| r_mcbond_it | 2.769 |
| r_angle_refined_deg | 1.7 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 8853 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 140 |
| Heterogen Atoms | 45 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| DIALS | data reduction |
| Aimless | data scaling |
| PHASER | phasing |














