2HEX
DECAMERS OBSERVED IN THE CRYSTALS OF BOVINE PANCREATIC TRYPSIN INHIBITOR
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1BPI |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | USING SOLUTION #32 IN CRYSTAL SCREEN I (HAMPTON RESEARCH), pH 6.5, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.34 | 47.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 94.995 | α = 90 |
b = 94.995 | β = 90 |
c = 158.103 | γ = 120 |
Symmetry | |
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Space Group | P 64 2 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 | 100 | IMAGE PLATE | MARRESEARCH | MIRRORS | 1997-02-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9B | NSLS | X9B |
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 | 2.1 | 20 | 99.6 | 0.074 | 0.074 | 23 | 6.82 | 25235 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.1 | 2.17 | 99 | 0.47 | 0.47 | 4.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | 1BPI | 2.1 | 10 | 21757 | 2432 | 86.9 | 0.205 | 0.2073 | 0.2883 | 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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
3 | 2446.5 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.082 |
s_non_zero_chiral_vol | 0.038 |
s_anti_bump_dis_restr | 0.036 |
s_from_restr_planes | 0.025 |
s_zero_chiral_vol | 0.025 |
s_angle_d | 0.021 |
s_bond_d | 0.006 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2224 |
Nucleic Acid Atoms | |
Solvent Atoms | 181 |
Heterogen Atoms | 40 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
HKL-2000 | data reduction |
AMoRE | phasing |
SHELXL-97 | refinement |
HKL-2000 | data scaling |