1KUF
High-resolution Crystal Structure of a Snake Venom Metalloproteinase from Taiwan Habu
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 277 | PEG400, sodium acetate, cadmium chloride, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.55 | 51.82 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 60.991 | α = 90 |
b = 60.991 | β = 90 |
c = 128.398 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
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 | 123 | CCD | SIEMENS | 2001-04-19 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | IMAGE PLATE | RIGAKU RAXIS IV | 2000-09-23 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL38B1 | 0.92 | SPring-8 | BL38B1 |
2 | ROTATING ANODE | RIGAKU | 1.54 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.35 | 99 | 86.7 | 0.057 | 0.02 | 16.9 | 2.4 | 113041 | 46914 | 2 | 2 |
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) | |||||||||||
1.35 | 1.4 | 82.2 | 0.472 | 2.1 | 2.3 | 4340 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 1.35 | 30 | 2 | 2 | 43969 | 41770 | 2198 | 0.252 | 0.23 | 0.181 | 0.1835 | 0.204 | random |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_deg | 1.54 |
c_bond_d | 0.012 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1616 |
Nucleic Acid Atoms | |
Solvent Atoms | 396 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |