3RAV
Horse spleen apo-ferritin with bound Pentobarbital
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 291 | 0.2-1.6 M (NH4)2SO4 and 0.1-0.275 M CdSO4, 0.5 mM thiopental were mixed with equal volumes of apoferritin solution and equilibrated over 0.7-1 mL, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.3 | 62.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 182.48 | α = 90 |
b = 182.48 | β = 90 |
c = 182.48 | γ = 90 |
Symmetry | |
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Space Group | F 4 3 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 | 110 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X6A | 0.9774 | NSLS | X6A |
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 | 1.9 | 45.62 | 100 | 0.109 | 20 | 34.09 | 21095 | 21095 | 38.9 | 7.8 | 21.63 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.9 | 1.97 | 100 | 0.527 | 7.8 | 34.09 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MR, MR | 1.9 | 45.62 | 0.84 | 21101 | 21072 | 1994 | 99.9 | 0.176 | 0.176 | 0.174 | 0.208 | RANDOM | 22.472 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.726 |
f_angle_d | 0.959 |
f_chiral_restr | 0.065 |
f_bond_d | 0.007 |
f_plane_restr | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1346 |
Nucleic Acid Atoms | |
Solvent Atoms | 196 |
Heterogen Atoms | 32 |
Software
Software | |
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Software Name | Purpose |
d*TREK | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
CrystalClear | data collection |
CrystalClear | data reduction |
CrystalClear | data scaling |