6SF7
Atomic resolution structure of SplF protease from Staphylococcus aureus
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 32.5 % PEG 400, 0.3 M Ammonium Sulphate pH = 3.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.31 | 46.7 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56 | α = 104.57 |
b = 58.58 | β = 95.31 |
c = 62.3 | γ = 90.6 |
Symmetry | |
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Space Group | P 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 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2011-05-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 30 | 92.6 | 0.047 | 6.4 | 3.6 | 77687 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.7 | 1.79 | 88.8 | 0.11 | 13.9 | 3.7 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4VID | 1.7 | 29.84 | 73794 | 3888 | 92.54 | 0.1694 | 0.1674 | 0.2078 | RANDOM | 27.698 |
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] | |
0.6 | -0.68 | -0.34 | -0.28 | -0.14 | -0.14 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.628 |
r_dihedral_angle_4_deg | 23.379 |
r_dihedral_angle_3_deg | 13.163 |
r_dihedral_angle_1_deg | 7.18 |
r_angle_refined_deg | 2.05 |
r_angle_other_deg | 1.583 |
r_chiral_restr | 0.112 |
r_bond_refined_d | 0.017 |
r_gen_planes_refined | 0.014 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5897 |
Nucleic Acid Atoms | |
Solvent Atoms | 451 |
Heterogen Atoms | 115 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
iMOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |