2ZDL
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 | 8 | 289 | 0.1M Imidazole buffer, 0.1M ammonium sulfate, 30% PEG8000, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2 | 38.38 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 54.5 | α = 90 |
b = 54.5 | 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 | 110 | CCD | MARMOSAIC 225 mm CCD | 2007-11-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X12 | 1.00001 | EMBL/DESY, HAMBURG | X12 |
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 | 1.8 | 50 | 93.1 | 0.085 | 15.4 | 4 | 16745 | 16745 | 16.3 |
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 | 1.8 | 1.83 | 93.4 | 0.383 | 2.8 | 3.2 | 813 |
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 | 1.8 | 10 | 16004 | 13298 | 636 | 89.9 | 0.1553 | 0.1432 | 0.141 | 0.2077 | 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 |
7 | 1582 | 1835.5 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.064 |
s_non_zero_chiral_vol | 0.043 |
s_zero_chiral_vol | 0.037 |
s_from_restr_planes | 0.0276 |
s_angle_d | 0.023 |
s_anti_bump_dis_restr | 0.016 |
s_bond_d | 0.007 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1621 |
Nucleic Acid Atoms | |
Solvent Atoms | 164 |
Heterogen Atoms | 51 |
Software
Software | |
---|---|
Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
MAR345dtb | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |