2ZDK
Exploring Trypsin S3 Pocket
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1GI1 | PDB entry 1GI1 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 289 | 0.1M Imidazole buffer, 0.1M ammonium sulfate, 25% PEG 8000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2 | 38.61 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 54.6 | α = 90 |
b = 54.6 | β = 90 |
c = 108.6 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 113 | IMAGE PLATE | RIGAKU RAXIS IV | 2007-10-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.67 | 30 | 98.7 | 0.059 | 31.7 | 6.2 | 22193 | 22193 | 15.9 |
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 | 1.67 | 1.7 | 83.8 | 0.356 | 2.9 | 3.5 | 944 |
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 | FREE R | PDB entry 1GI1 | 1.67 | 10 | 21559 | 18803 | 912 | 96.6 | 0.136 | 0.134 | 0.134 | 0.193 | 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 | 1566 | 1921.5 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_zero_chiral_vol | 0.059 |
s_similar_adp_cmpnt | 0.057 |
s_non_zero_chiral_vol | 0.055 |
s_anti_bump_dis_restr | 0.032 |
s_from_restr_planes | 0.0302 |
s_angle_d | 0.028 |
s_bond_d | 0.009 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1613 |
Nucleic Acid Atoms | |
Solvent Atoms | 229 |
Heterogen Atoms | 80 |
Software
Software | |
---|---|
Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
CrystalClear | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHASER | phasing |