3MBU
Structure of a bipyridine-modified PNA duplex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 5.5 | 295 | 40% propanediol 0.2 M NaCl 0.1 M citrate pH 5.5, VAPOR DIFFUSION, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 48.72 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.2 | α = 90 |
b = 25.73 | β = 105.33 |
c = 53.05 | γ = 90 |
Symmetry | |
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Space Group | P 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 | M | SINGLE WAVELENGTH | ||||||||
2 | 1 | x-ray | 100 | CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.8 | SLS | X10SA |
2 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.8 | SLS | X10SA |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.05 | 50 | 40632 | 34896 | 4 | 2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | 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 | AB INITIO PHASING | THROUGHOUT | 1.05 | 26.73 | -3 | 4 | 40992 | 34896 | 2031 | 0.127 | 0.127 | 0.169 | random |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 740 |
Nucleic Acid Atoms | |
Solvent Atoms | 232 |
Heterogen Atoms | 49 |
Software
Software | |
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Software Name | Purpose |
SHELXD | phasing |
SHELXL-97 | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |