1T8O
CRYSTAL STRUCTURE OF THE P1 TRP BPTI MUTANT- BOVINE CHYMOTRYPSIN COMPLEX
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1P2N | PDB ENTRY 1P2N |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | 50% AMMONIUM SULFATE, 0.1M TRIS, pH 7.80, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.7 | 73.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 100.23 | α = 90 |
b = 100.23 | β = 90 |
c = 204.65 | γ = 120 |
Symmetry | |
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Space Group | P 61 |
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 | ADSC QUANTUM 4 | 1999-06-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.9312 | ESRF | ID14-4 |
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 | 1.7 | 25 | 98.8 | 0.069 | 0.056 | 7.1 | 2.7 | 125708 | 125561 | 22.9 |
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) | ||||||||||
1.7 | 1.79 | 98.8 | 0.325 | 0.255 | 2.1 | 2.3 | 17621 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | 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 | THROUGHOUT | PDB ENTRY 1P2N | 1.7 | 14.98 | 125408 | 125408 | 3140 | 98.5 | 0.194 | 0.194 | 0.194 | 0.207 | RANDOM | 25.9 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
3.27 | 2.66 | 3.23 | -6.5 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 25.1 |
c_scangle_it | 2.23 |
c_mcangle_it | 1.68 |
c_scbond_it | 1.52 |
c_angle_deg | 1.3 |
c_mcbond_it | 1.06 |
c_improper_angle_d | 0.75 |
c_bond_d | 0.005 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4541 |
Nucleic Acid Atoms | |
Solvent Atoms | 539 |
Heterogen Atoms | 50 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALA | data scaling |
CNS | refinement |
CCP4 | data scaling |
CNS | phasing |