2ZQ2
Exploring trypsin S3 pocket
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1K1P | PDB entry 1K1P |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 289 | 1.9M Ammonium sulfate, 50mM MES, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.931105 | 58.04 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 61.4 | α = 90 |
b = 63.9 | β = 90 |
c = 69.7 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 103 | CCD | MAR CCD 165 mm | 2008-05-31 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.91841 | BESSY | 14.2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.4 | 30 | 99.5 | 0.053 | 22.3 | 3.2 | 54593 | 54593 | 13.5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.4 | 1.42 | 100 | 0.391 | 2.9 | 3.2 | 2701 |
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 | FOURIER SYNTHESIS | FREE R | PDB entry 1K1P | 1.4 | 10 | 51554 | 42831 | 2609 | 94.6 | 0.1266 | 0.1178 | 0.1165 | 0.1616 | 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 |
8 | 1583 | 1950 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_approx_iso_adps | 0.097 |
s_zero_chiral_vol | 0.069 |
s_non_zero_chiral_vol | 0.069 |
s_anti_bump_dis_restr | 0.068 |
s_similar_adp_cmpnt | 0.049 |
s_from_restr_planes | 0.0313 |
s_angle_d | 0.03 |
s_bond_d | 0.012 |
s_rigid_bond_adp_cmpnt | 0.004 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1625 |
Nucleic Acid Atoms | |
Solvent Atoms | 269 |
Heterogen Atoms | 55 |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
MAR345 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |