3NVK
Structural basis for substrate placement by an archaeal box C/D ribonucleoprotein particle
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 303 | 400 mM potassium chloride, 200 mM-1.5 M sodium chloride, 150-250 mM magnesium acetate, 200 mM ammonium acetate, 50 mM HEPES-NaOH., pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 303K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.83 | 67.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 330.039 | α = 90 |
b = 94.548 | β = 90 |
c = 97.729 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
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 | IMAGE PLATE | MAR scanner 300 mm plate | M | SINGLE WAVELENGTH | |||||||
2 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | APS | 22-ID | |
2 | SYNCHROTRON | APS BEAMLINE 23-BM-B | APS | 23-BM-B |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3.2 | 50 | 83.3 | 45020 | 42641 | 2 | 2 | 80.34 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 3.2 | 50 | 83.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 3.209 | 39.69 | 40618 | 4099 | 79.56 | 0.2361 | 0.2304 | 0.2878 |
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] | |
42.6477 | -27.5423 | -15.1054 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 20.22 |
f_angle_d | 1.622 |
f_chiral_restr | 0.118 |
f_bond_d | 0.01 |
f_plane_restr | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 11392 |
Nucleic Acid Atoms | 1162 |
Solvent Atoms | |
Heterogen Atoms | 52 |
Software
Software | |
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Software Name | Purpose |
CBASS | data collection |
PHENIX | model building |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHENIX | phasing |