Crystal structure of a peptidoglycan synthesis regulatory factor (PBP3) from Streptococcus pneumoniae
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1NZ0 | PDB entry 1NZ0 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 293.15 | potassium sodium tartrate, Tri-sodium citrate, sodium iodide, PEG 400, Ammonium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 87.608 | α = 90 |
b = 120.839 | β = 90 |
c = 177.076 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | ADSC QUANTUM 4 | 2002-05-16 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.9792, 0.9794, 0.9393 | ESRF | ID14-4 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.8 | 65.84 | 99.9 | 0.102 | 0.102 | 12.7 | 5.4 | 47073 | 46098 | 31.1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.8 | 2.98 | 100 | 0.279 | 0.279 | 4.7 | 5 | 7170 |
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 | MAD | THROUGHOUT | PDB entry 1NZ0 | 2.8 | 65.84 | 40041 | 37747 | 3309 | 99.8 | 0.237 | 0.237 | 0.23 | 0.278 | 0.27 | RANDOM | 28.9 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-8.29 | 17.69 | -9.4 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 25.2 |
c_improper_angle_d | 2.37 |
c_angle_deg | 1.9 |
c_bond_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10653 |
Nucleic Acid Atoms | |
Solvent Atoms | 461 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |
SHARP | phasing |