2DYK
Crystal structure of N-terminal GTP-binding domain of EngA from Thermus thermophilus HB8
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1MKY | PDB ENTRY 1MKY |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 0.1M MES pH 6.0, 1.0M Pottasium sodium tartrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 43.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 35.421 | α = 119.88 |
b = 50.539 | β = 90.02 |
c = 50.453 | γ = 88.91 |
Symmetry | |
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Space Group | P 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 | 90 | CCD | RIGAKU JUPITER 210 | 2006-04-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B2 | 1.0000 | SPring-8 | BL26B2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.96 | 43.9 | 92 | 0.048 | 14.9 | 1.91 | 20112 | -3 | 11.3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.96 | 2.02 | 78.6 | 0.177 | 2.56 | 1.7 | 1713 |
Refinement
Statistics | |||||||||||||||||||
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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 | PDB ENTRY 1MKY | 1.96 | 43.81 | 20112 | 976 | 92.4 | 0.195 | 0.195 | 0.225 | RANDOM | 22 |
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] | |
-1.58 | -2.02 | -0.56 | 3.31 | 2.83 | -1.73 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23 |
c_scangle_it | 4.9 |
c_scbond_it | 3.32 |
c_mcangle_it | 2.85 |
c_improper_angle_d | 2.37 |
c_mcbond_it | 2 |
c_angle_deg | 1.5 |
c_bond_d | 0.008 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2386 |
Nucleic Acid Atoms | |
Solvent Atoms | 144 |
Heterogen Atoms | 56 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
HKL-2000 | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |