3EZQ
Crystal Structure of the Fas/FADD Death Domain Complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 4 | 291 | 0.95M citric acid, 1.9M ammonium sulfate, pH4, EVAPORATION, temperature 291K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.18 | 61.37 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 126.218 | α = 90 |
b = 126.218 | β = 90 |
c = 299.274 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 61 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | 2007-08-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 1 | NSLS | X25 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.73 | 30 | 98.7 | 0.076 | 9.3 | 66820 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.731 | 2.801 | 88.4 | 0.435 | 1.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.73 | 30 | 66785 | 3556 | 98.81 | 0.2361 | 0.23388 | 0.278 | RANDOM | 72.42 |
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] | |
-1.07 | -0.53 | -1.07 | 1.6 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.388 |
r_dihedral_angle_3_deg | 19.69 |
r_dihedral_angle_4_deg | 18.7 |
r_dihedral_angle_1_deg | 4.711 |
r_scangle_it | 3.145 |
r_scbond_it | 1.977 |
r_mcangle_it | 1.291 |
r_angle_refined_deg | 1.279 |
r_angle_other_deg | 0.947 |
r_mcbond_it | 0.618 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 13688 |
Nucleic Acid Atoms | |
Solvent Atoms | 177 |
Heterogen Atoms | 68 |
Software
Software | |
---|---|
Software Name | Purpose |
ADSC | data collection |
SOLVE | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALA | data scaling |