1GV2
CRYSTAL STRUCTURE OF C-MYB R2R3
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.8 | 1.6-1.7 M SODIUM CITRATE PH 6.8, PROTEIN CONCENTRATION 15 MG/ML, CRYSTAL WAS GROWN BY REPEATED MACROSEEDING, TRANSFORMED TO LOW HUMIDITY FORM AND FLASH COOLED, 1-2% V/V OF GLYCEROL WAS ADDED TO SODIUM CITRATE TO PREVENT THE CRYSTAL CRACKING DURING THE FLASH COOLING |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.9 | 35.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.722 | α = 90 |
b = 28.25 | β = 90.87 |
c = 44.129 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | 293 | IMAGE PLATE | RIGAKU RAXIS IV | 1998-05-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL44B2 | SPring-8 | BL44B2 |
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 | 1.68 | 50 | 99.1 | 0.1 | 12.601 | 4.244 | 11033 | 13.4 |
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 | 1.68 | 1.74 | 97.9 | 0.446 | 1.904 | 3.53 |
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 ENTRIES 1MBG AND 1MBJ | 1.68 | 44.12 | 11022 | 570 | 98.8 | 0.193 | 0.193 | 0.21 | RANDOM | 18.3 |
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] | |
1.6 | 0.64 | 0.17 | -1.77 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 19.5 |
c_scangle_it | 4.92 |
c_scbond_it | 3.21 |
c_mcangle_it | 2.5 |
c_mcbond_it | 1.74 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.8 |
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 | 867 |
Nucleic Acid Atoms | |
Solvent Atoms | 60 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |