8CB6
Crystal structure of human lysosomal acid-alpha-glucosidase, GAA, in covalent complex with TAMRA tagged 1,6-Epi-cylcophellitol aziridine activity based probe
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 1.9 M AMMONIUM SULPHATE, 0.1 M HEPES, 2% V/V PEG400 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.35 | 63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 97.34 | α = 90 |
| b = 102.945 | β = 90 |
| c = 129.916 | 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 | PIXEL | DECTRIS EIGER X 9M | 2021-09-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 2 | 0.980112 | SOLEIL | PROXIMA 2 |
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 | 1.9 | 48.67 | 100 | 0.13 | 0.135 | 0.036 | 0.999 | 14.5 | 13.7 | 103337 | |||||||||
| 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 | 1.9 | 1.93 | 100 | 1.675 | 1.739 | 0.465 | 0.695 | 13.9 | |||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 5NN3 | 1.9 | 48.67 | 98106 | 5146 | 99.95 | 0.15015 | 0.14871 | 0.17786 | RANDOM | 41.148 | ||||||
| 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] | |
| 0.78 | 0.02 | -0.8 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.023 |
| r_dihedral_angle_4_deg | 16.506 |
| r_dihedral_angle_3_deg | 11.977 |
| r_dihedral_angle_1_deg | 7.04 |
| r_long_range_B_refined | 6.937 |
| r_long_range_B_other | 6.849 |
| r_scangle_other | 6.263 |
| r_scbond_it | 4.327 |
| r_scbond_other | 4.326 |
| r_mcangle_it | 3.321 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6691 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 612 |
| Heterogen Atoms | 281 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| Aimless | data scaling |
| XDS | data reduction |
| REFMAC | phasing |
