3OZK
Crystal structure of human transthyretin variant A25T in complex with thyroxine (T4)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 0.1M Hepes sodium pH 7.5, 28% PEG 400, 0.2 calcium chloride dihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 293K, complex obtained by soaking crystal with ligand. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.14 | 42.61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 43.13 | α = 90 |
b = 85.31 | β = 90 |
c = 64.34 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 345 mm plate | 2008-03-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.4586 | LNLS | W01B-MX2 |
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 | 1.9 | 64.34 | 99.8 | 0.061 | 0.061 | 17.6 | 4.1 | 19350 | 19350 | 23.3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.9 | 2 | 100 | 0.26 | 0.26 | 2.8 | 4.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | THROUGHOUT | 1.9 | 26.01 | 18174 | 1146 | 99.8 | 0.191 | 0.188 | 0.236 | RANDOM | 26.16 |
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] | |
2.51 | -1.42 | -1.1 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.842 |
r_dihedral_angle_4_deg | 17.135 |
r_dihedral_angle_3_deg | 16.489 |
r_dihedral_angle_1_deg | 6.834 |
r_scangle_it | 4.818 |
r_scbond_it | 2.988 |
r_mcangle_it | 2.035 |
r_angle_refined_deg | 1.823 |
r_mcbond_it | 1.125 |
r_chiral_restr | 0.127 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1789 |
Nucleic Acid Atoms | |
Solvent Atoms | 142 |
Heterogen Atoms | 48 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345dtb | data collection |
REFMAC | phasing |