Heme sensor protein PefR from Streptococcus agalactiae bound to operator DNA (28-mer)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 25%(w/v) PEGMME 2000, 0.2 M lithium sulfate, 0.1 M MES |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.59 | 65.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 100.973 | α = 90 |
| b = 100.973 | β = 90 |
| c = 128.989 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 32 1 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 EIGER X 16M | mirrors | 2018-01-22 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 1.00 | SPring-8 | BL41XU |
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 | 2.49 | 47.06 | 99.9 | 0.083 | 0.089 | 0.999 | 14.63 | 6.992 | 26423 | 75.503 | |||||||||
| 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 | 2.49 | 2.65 | 99.4 | 1.769 | 1.911 | 0.562 | 1 | 7.052 | |||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 7DVS, 4LLN | 2.49 | 47.06 | 25129 | 1262 | 99.84 | 0.2189 | 0.2175 | 0.22 | 0.2463 | 0.25 | RANDOM | 86.059 | ||||
| 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] | |
| -1.34 | -0.67 | -1.34 | 4.34 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.945 |
| r_dihedral_angle_3_deg | 21.691 |
| r_dihedral_angle_4_deg | 11.82 |
| r_dihedral_angle_1_deg | 6.005 |
| r_angle_refined_deg | 1.885 |
| r_chiral_restr | 0.128 |
| r_gen_planes_refined | 0.012 |
| r_bond_refined_d | 0.01 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2267 |
| Nucleic Acid Atoms | 1148 |
| Solvent Atoms | 9 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XSCALE | data scaling |
| PHASER | phasing |
| PDB_EXTRACT | data extraction |
| Coot | model building |
| XDS | data reduction |














