3QYD
Crystal structure of a recombinant chimeric trypsin inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3I2X | PDB entry 3I2X |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 35% PEG, 0.1M Tris, 5% glycerol, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.24 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.53 | α = 90 |
b = 39.25 | β = 118.95 |
c = 94.28 | 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 | CCD | Bruker Platinum 135 | mirors | 2010-10-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
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 | 2.97 | 30 | 91.5 | 0.1181 | 3.6 | 2.35 | 12882 | 11790 | 65.094 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB entry 3I2X | 2.97 | 30 | 12882 | 11790 | 1170 | 91.5 | 0.21 | 0.27 | RANDOM |
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] | |
6.572 | -8.044 | -0.911 | -5.661 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_d | 1.67016 |
c_bond_d | 0.006876 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4179 |
Nucleic Acid Atoms | |
Solvent Atoms | 144 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
MOLREP | phasing |
CNS | refinement |
AUTOMAR | data reduction |
SCALEPACK | data scaling |