Crystal structure of Endothiapepsin in complex with follow-up compound EOS44278 from ECBL
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4Y5L | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 293 | 29 % (w/v) PEG 4000, 0.1 M ammonium acetate and 0.1 M sodium acetate, pH 4.6 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.41 | 49.01 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 45.23 | α = 90 |
| b = 72.91 | β = 109.42 |
| c = 52.4 | 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 | 100 | PIXEL | DECTRIS PILATUS3 2M | 2021-09-28 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.9184 | BESSY | 14.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 1.22 | 49.42 | 99.1 | 0.099 | 0.112 | 0.998 | 8.13 | 95315 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 1.22 | 1.29 | 95.7 | 1.687 | 1.915 | 0.353 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.22 | 49.42 | 93214 | 2100 | 99.18 | 0.17752 | 0.17723 | 0.1856 | 0.19026 | 0.199 | RANDOM | 13.201 | |||||
| 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] | |
| -0.53 | -0.36 | 0.14 | 0.52 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 28.172 |
| r_dihedral_angle_4_deg | 20.391 |
| r_dihedral_angle_3_deg | 9.456 |
| r_dihedral_angle_1_deg | 6.596 |
| r_long_range_B_refined | 3.595 |
| r_long_range_B_other | 3.32 |
| r_scangle_other | 2.004 |
| r_angle_refined_deg | 1.627 |
| r_angle_other_deg | 1.613 |
| r_mcangle_it | 1.456 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2369 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 281 |
| Heterogen Atoms | 21 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PHASER | phasing |
| XDS | data scaling |
| XDS | data reduction |
