Crystal structure of transcriptional regulator (NrpR) from Streptococcus salivarius K12
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION | 295 | 0.1 M Bis-Tris propane (pH 7.95), 0.7 M Sodium Citrate tribasic dihydrate | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.33 | 47.28 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 34.747 | α = 90 |
| b = 128.26 | β = 100.616 |
| c = 72.63 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 1 2 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 EIGER X 9M | 2022-02-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PAL/PLS BEAMLINE 5C (4A) | 0.9797 | PAL/PLS | 5C (4A) |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 2.59 | 36.705 | 97.4 | 0.99 | 11.8 | 2.5 | 9474 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2.59 | 2.71 | 0.95 | ||||||||||||||||
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 (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.59 | 36.705 | 9474 | 458 | 97.199 | 0.187 | 0.1834 | 0.1908 | 0.2659 | 0.2782 | 76.112 | ||||||
| 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] | |
| -0.05 | -0.017 | 0.011 | 0.042 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 40.21 |
| r_dihedral_angle_3_deg | 17.895 |
| r_dihedral_angle_4_deg | 16.789 |
| r_lrange_it | 16.507 |
| r_lrange_other | 16.502 |
| r_scangle_it | 10.258 |
| r_scangle_other | 10.255 |
| r_mcangle_other | 9.576 |
| r_mcangle_it | 9.575 |
| r_scbond_it | 6.737 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2378 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 11 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XDS | data scaling |
| MOLREP | phasing |














