1DQ3
CRYSTAL STRUCTURE OF AN ARCHAEAL INTEIN-ENCODED HOMING ENDONUCLEASE PI-PFUI
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICRODIALYSIS | 6.5 | 293 | PEG4000, bis tris, sodium chloride, dioxane, glycerol, pH 6.5, MICRODIALYSIS, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.73 | 54.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.55 | α = 90 |
b = 85.28 | β = 112.94 |
c = 65.41 | 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 | 1999-05-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-6A | Photon Factory | BL-6A |
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 | 2.1 | 30 | 93.1 | 0.054 | 9 | 2 | 31152 | 19.6 |
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) | |||||||||||
2.1 | 2.18 | 84.9 | 0.255 | 1.7 |
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-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | THROUGHOUT | 2.1 | 30 | 31152 | 1579 | 93.1 | 0.192 | 0.192 | 0.19 | 0.232 | 0.23 | RANDOM | 36.7 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-3.57 | -0.15 | 6.97 | -3.39 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.2 |
c_scangle_it | 6.04 |
c_scbond_it | 4.15 |
c_mcangle_it | 3.92 |
c_mcbond_it | 2.69 |
c_angle_deg | 1.1 |
c_improper_angle_d | 0.7 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3755 |
Nucleic Acid Atoms | |
Solvent Atoms | 332 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
SHARP | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |