Crystal structure of heme sensor protein PefR from Streptococcus agalactiae in complex with heme
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 35%(v/v) MPD, 0.2 M KCl, 50 mM hexamine cobalt(III) chloride, 50 mM MES |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.37 | 48.17 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 68.899 | α = 90 |
b = 32.149 | β = 95.07 |
c = 76.654 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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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 | 2017-10-22 | 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 | |||||||||||||||||||
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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 | 1.7 | 29.13 | 97.1 | 0.049 | 0.054 | 0.999 | 16.27 | 6.591 | 18070 | 51.157 |
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 | 1.7 | 1.8 | 95.5 | 0.954 | 1.03 | 0.853 | 1.47 | 6.989 |
Refinement
Statistics | |||||||||||||||||||
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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 | MAD | THROUGHOUT | 1.7 | 29.13 | 17175 | 882 | 96.99 | 0.2386 | 0.2366 | 0.24 | 0.285 | 0.3 | RANDOM | 50.487 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
0.38 | -1.32 | 1.22 | -1.35 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.703 |
r_dihedral_angle_4_deg | 21.646 |
r_dihedral_angle_3_deg | 16.781 |
r_dihedral_angle_1_deg | 4.973 |
r_angle_refined_deg | 1.948 |
r_angle_other_deg | 1.466 |
r_chiral_restr | 0.092 |
r_bond_refined_d | 0.017 |
r_gen_planes_refined | 0.01 |
r_gen_planes_other | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1196 |
Nucleic Acid Atoms | |
Solvent Atoms | 37 |
Heterogen Atoms | 44 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
SOLVE | phasing |
RESOLVE | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |