2EIQ
Design of Disulfide-linked Thioredoxin Dimers and Multimers Through Analysis of Crystal Contacts
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 277 | 40% MPD, 1MM CUPRIC ACETATE, 10MM SODIUM ACETATE, pH 4.50, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 89.209 | α = 90 |
b = 49.557 | β = 113.33 |
c = 59.427 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 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 | 100 | CCD | ADSC QUANTUM 210 | MIRROR | 2005-05-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE AR-NW12A | Photon Factory | AR-NW12A |
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 | 54.55 | 99.5 | 0.083 | 0.083 | 3.7 | 18923 | 18812 |
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 | 1.97 | 99.9 | 0.304 | 0.304 | 3.7 |
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 2TRX | 1.9 | 41.6 | 16882 | 1930 | 99.47 | 0.18731 | 0.18374 | 0.21845 | RANDOM | 18.98 |
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] | |
-0.35 | -0.29 | 1.05 | -0.94 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 43.951 |
r_dihedral_angle_3_deg | 12.627 |
r_dihedral_angle_4_deg | 11.566 |
r_dihedral_angle_1_deg | 4.951 |
r_scangle_it | 4.59 |
r_scbond_it | 2.98 |
r_mcangle_it | 1.884 |
r_angle_refined_deg | 1.584 |
r_mcbond_it | 1.233 |
r_symmetry_vdw_refined | 0.394 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1627 |
Nucleic Acid Atoms | |
Solvent Atoms | 122 |
Heterogen Atoms | 18 |
Software
Software | |
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Software Name | Purpose |
MOLREP | phasing |
CNS | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |