1MI7
Crystal Structure of Domain Swapped trp Aporepressor in 30%(v/v) Isopropanol
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2WRP | PDB ENTRY 2WRP BIOLOGICAL DIMER |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 295 | 100 mM Na HEPES, 100 mM sodium chloride, 30%(v/v) isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.89 | 74.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 85.31 | α = 90 |
b = 85.31 | β = 90 |
c = 113.968 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 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 | CCD | CUSTOM-MADE | 2001-04-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 1.1 | NSLS | X25 |
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 | 2.5 | 50 | 92.5 | 0.052 | 24.1 | 8.1 | 8304 | 8304 | -3 | 61.3 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.5 | 2.6 | 61 | 0.169 | 2.6 | 526 |
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 (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 2WRP BIOLOGICAL DIMER | 2.5 | 74.54 | 7722 | 7722 | 455 | 91.38 | 0.25505 | 0.25308 | 0.27 | 0.28756 | 0.29 | RANDOM, 5.5% | 31.215 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-0.93 | -0.47 | -0.93 | 1.4 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_scangle_it | 5.178 |
r_dihedral_angle_1_deg | 4.662 |
r_scbond_it | 3.427 |
r_mcangle_it | 3.012 |
r_mcbond_it | 1.834 |
r_angle_refined_deg | 1.577 |
r_symmetry_vdw_refined | 0.244 |
r_nbd_refined | 0.24 |
r_symmetry_hbond_refined | 0.208 |
r_xyhbond_nbd_refined | 0.158 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 830 |
Nucleic Acid Atoms | |
Solvent Atoms | 47 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
REFMAC | refinement |