1EV7
CRYSTAL STRUCTURE OF DNA RESTRICTION ENDONUCLEASE NAEI
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICRODIALYSIS | 6.1 | 277 | 20 mM malaic acid, 20 mM NaCl, 5 mM CaCl2, 1 mM 2-mercaptoethanol, 2% PEG3350, 1.5% ethanol, pH 6.1, MICRODIALYSIS, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.32 | 47.08 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 99.78 | α = 90 |
b = 56.16 | β = 95.92 |
c = 59.05 | 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 | 100 | CCD | BRANDEIS - B1 | 1998-01-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | NSLS | X12C |
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 | 2.38 | 50 | 88.1 | 0.055 | 16.3 | 2.7 | 68874 | 25755 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | |||||||||||
2.38 | 2.48 | 73.7 | 0.185 | 2.1 | 2118 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | 2.38 | 50 | 23128 | 25672 | 2544 | 79.2 | 0.2375 | 0.23 | 0.2868 | 0.28 | Reflections were automatically selected by CNS |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_deg | 1.3 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4620 |
Nucleic Acid Atoms | |
Solvent Atoms | 91 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SOLVE | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |