2ZDM
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% PEG8000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.96 | 37.23 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 54 | α = 90 |
b = 54 | 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 | 2007-10-22 | 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 | 1.93 | 50 | 99.6 | 0.1 | 17.3 | 5.5 | 14347 | 14347 | 20.5 |
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 | 1.93 | 1.96 | 100 | 0.493 | 3.4 | 5 | 680 |
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 1GI1 | 1.93 | 10 | 13752 | 11569 | 583 | 96.6 | 0.1664 | 0.1543 | 0.1508 | 0.2382 | 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 | 1591 | 1829.5 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.066 |
s_non_zero_chiral_vol | 0.037 |
s_zero_chiral_vol | 0.03 |
s_from_restr_planes | 0.0269 |
s_angle_d | 0.022 |
s_anti_bump_dis_restr | 0.012 |
s_bond_d | 0.006 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1629 |
Nucleic Acid Atoms | |
Solvent Atoms | 166 |
Heterogen Atoms | 35 |
Software
Software | |
---|---|
Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
CrystalClear | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |