1.43 Angstrom resolution crystal structure of cell division protein FtsZ (ftsZ) from Staphylococcus epidermidis RP62A in complex with GDP
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3VO8 | PDB ENTRY 3VO8 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 295 | 6.7 mg/mL protein in 10 mM Tris-HCl, pH 8.3, 0.25 M sodium chloride, 5 mM BME, crystallization conditions: Classics II G5 (#77): 0.2 M lithium sulfate, 0.1 M Tris, pH 8.5, 25% w/v PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.8 | 31.64 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 71.335 | α = 90 |
b = 52.063 | β = 109.64 |
c = 87.005 | 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 | CCD | MARMOSAIC 300 mm CCD | K-B mirrors | 2013-06-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 0.97929 | APS | 21-ID-D |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.43 | 30 | 95.8 | 0.055 | 23.42 | 5.1 | 53059 | 53059 | -3 | 22.2 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.43 | 1.45 | 91.4 | 0.548 | 2.45 | 3.9 | 2485 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB ENTRY 3VO8 | 1.43 | 27.33 | 50365 | 50365 | 2693 | 95.76 | 0.17061 | 0.16872 | 0.18 | 0.20616 | 0.21 | RANDOM | 23.411 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-1.65 | -2.77 | 1.41 | 0.98 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.846 |
r_dihedral_angle_3_deg | 11.123 |
r_dihedral_angle_4_deg | 8.118 |
r_dihedral_angle_1_deg | 4.393 |
r_angle_refined_deg | 1.833 |
r_angle_other_deg | 0.814 |
r_chiral_restr | 0.099 |
r_bond_refined_d | 0.014 |
r_gen_planes_refined | 0.008 |
r_gen_planes_other | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2244 |
Nucleic Acid Atoms | |
Solvent Atoms | 333 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |