X-ray crystal structure of Sporosarcina pasteurii urease inhibited by Ag(PEt3)2NO3 determined at 1.97 Angstroms
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6G48 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | THE PROTEIN-LIGAND (300 microM) COMPLEX IN 50 mM HEPES BUFFER, PH 7.50 (ALSO CONTAINING 1% (V/V) DMSO), DILUTED 1:1 WITH A SOLUTION OF 1.4 M AMMONIUM SULFATE ALSO CONTAINING THE SAME CONCENTRATION OF LIGAND AND DMSO. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.74 | 55.14 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 131.485 | α = 90 |
| b = 131.485 | β = 90 |
| c = 189.523 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 63 2 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 | 2019-11-30 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) | 0.9762 | PETRA III, EMBL c/o DESY | P13 (MX1) |
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 | 1.97 | 113.87 | 100 | 0.2 | 0.234 | 0.064 | 0.998 | 12.2 | 13.2 | 68762 | 29.2 | ||||||||
| 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 | 1.97 | 2.02 | 99.9 | 3.191 | 3.473 | 0.982 | 0.593 | 1 | 12.4 | ||||||||||
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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 6G48 | 1.97 | 97.798 | 68710 | 3343 | 99.953 | 0.169 | 0.1668 | 0.18 | 0.2092 | 0.22 | 37.581 | |||||
| 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] | |
| 1.569 | 0.784 | 1.569 | -5.089 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.793 |
| r_dihedral_angle_4_deg | 17.73 |
| r_dihedral_angle_3_deg | 14.512 |
| r_dihedral_angle_1_deg | 7.705 |
| r_lrange_it | 6.794 |
| r_lrange_other | 6.685 |
| r_scangle_it | 5.736 |
| r_scangle_other | 5.283 |
| r_scbond_it | 4.111 |
| r_scbond_other | 3.819 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6047 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 474 |
| Heterogen Atoms | 107 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| Aimless | data scaling |
| REFMAC | phasing |














