3G0H
Human dead-box RNA helicase DDX19, in complex with an ATP-analogue and RNA
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3EWS | PDB ENTRY 3EWS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8 | 277 | 14% PEGMME 2000, 0.25M trimethylamine n-oxide, 0.1 M Tris, pH 8, VAPOR DIFFUSION, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41.36 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 41.57 | α = 90 |
b = 81.08 | β = 90 |
c = 124.74 | 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 Q315r | monochromator crystals, Si(311) cut and Si(111) | 2008-11-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.97931 | ESRF | ID29 |
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 | 2.7 | 30 | 99.3 | 0.145 | 0.189 | 9.1 | 3.3 | 12073 | 12073 |
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) | ||||||||||
1 | 2.7 | 2.77 | 99.7 | 0.55 | 0.65 | 2.5 | 3.2 | 880 |
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 (All) | 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 3EWS | 2.7 | 29.62 | 11474 | 11474 | 600 | 99.39 | 0.22014 | 0.22014 | 0.21722 | 0.22 | 0.2752 | 0.28 | RANDOM | 12.175 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-0.1 | 0.02 | 0.07 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.56 |
r_dihedral_angle_3_deg | 17.833 |
r_dihedral_angle_4_deg | 15.903 |
r_dihedral_angle_1_deg | 6.018 |
r_scangle_it | 1.41 |
r_angle_refined_deg | 1.129 |
r_angle_other_deg | 0.811 |
r_scbond_it | 0.776 |
r_mcangle_it | 0.456 |
r_mcbond_it | 0.238 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3225 |
Nucleic Acid Atoms | 125 |
Solvent Atoms | |
Heterogen Atoms | 38 |
Software
Software | |
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Software Name | Purpose |
MxCuBE | data collection |
PHASER | phasing |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |