3F7I
Structure of an ML-IAP/XIAP chimera bound to a peptidomimetic
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | LITHIUM SULFATE, PEG 3350, BIS-TRIS, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.34 | 47.35 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 87.163 | α = 90 |
b = 87.163 | β = 90 |
c = 73.685 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | MAR scanner 345 mm plate | Osmic Blue | 2003-12-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.54 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.9 | 20 | 99.97 | 0.119 | 0.119 | 16 | 7.6 | 22966 | 22958 | -3 | 17.5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.9 | 1.97 | 100 | 0.646 | 0.646 | 3.6 | 7.2 | 2254 |
Refinement
Statistics | |||||||||||||||||||
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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 | THROUGHOUT | 1.3 A STRUCTURE OF THE ML-IAP/XIAP PROTEIN BOUND TO A DIFFERENT PEPTIDOMIMETIC, WITH THE LIGAND AND SURROUNDING WATERS REMOVED | 1.9 | 19.8 | 21771 | 21754 | 1146 | 99.92 | 0.156 | 0.15646 | 0.15519 | 0.18104 | RANDOM | 21.565 |
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] | |
-0.67 | -0.67 | 1.34 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.44 |
r_dihedral_angle_3_deg | 12.425 |
r_dihedral_angle_4_deg | 10.202 |
r_dihedral_angle_1_deg | 4.375 |
r_scangle_it | 2.505 |
r_mcangle_it | 1.922 |
r_mcbond_it | 1.668 |
r_scbond_it | 1.628 |
r_angle_refined_deg | 1.134 |
r_angle_other_deg | 0.801 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1479 |
Nucleic Acid Atoms | |
Solvent Atoms | 198 |
Heterogen Atoms | 95 |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |