2CA6
MIRAS structure determination from hemihedrally twinned crystals
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.5 | 2 MICROLITER PROTEIN (25MG/ML IN 20MM TRIS-HCL PH7.5, 2MMDTE) AND 2 MICROLITER RESERVOIR (24% PEG2000MME, 100MM TRIS PH8.5, 200MM LI2SO4, 20MM MGCL2)., pH 8.50 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.48 | 55.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 175.21 | α = 90 |
b = 175.21 | β = 90 |
c = 55.85 | γ = 90 |
Symmetry | |
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Space Group | I 41 |
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 | MARRESEARCH | 1996-10-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7A | EMBL/DESY, HAMBURG | BW7A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.2 | 31 | 97.3 | 0.14 | 8 | 3.8 | 42106 | 14.4 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.2 | 2.25 | 87.4 | 0.37 | 2.1 | 2 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MIRAS | THROUGHOUT | 2.2 | 31 | 41215 | 3957 | 0.1651 | 0.2182 | CNX SCRIPT MAKE_CV_ TWIN.INP, ENSURES THAT TWIN -RELATED PAIRS OF REFLECTIONS ARE EITHER BOTH IN TEST OR BOTH IN WORK SET | 22.7 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-3.948 | -3.948 | 7.896 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.5 |
c_scangle_it | 6.459 |
c_scbond_it | 5.317 |
c_mcangle_it | 2.775 |
c_mcbond_it | 1.897 |
c_angle_deg | 1.23 |
c_improper_angle_d | 0.73 |
c_bond_d | 0.005 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5380 |
Nucleic Acid Atoms | |
Solvent Atoms | 273 |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
CNX | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |