3GT9
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 |
2.35 | 47.63 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 87.531 | α = 90 |
b = 87.531 | β = 90 |
c = 73.464 | 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 | 2003-11-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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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) | 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 | 1.7 | 14.86 | 99.9 | 0.054 | 41.7 | 11.1 | 32040 | 32004 | -3 |
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 | 1.7 | 1.76 | 99.8 | 0.658 | 3.9 | 9.8 | 3164 |
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 | Difference Fourier | THROUGHOUT | 1.3 A STRUCTURE OF THE ML-IAP/XIAP PROTEIN BOUND TO A DIFFERENT PEPTIDOMIMETIC, WITH THE LIGAND AND SURROUNDING WATERS REMOVED | 1.7 | 14.86 | 30386 | 30301 | 1594 | 99.72 | 0.17 | 0.17133 | 0.17021 | 0.19337 | RANDOM | 28.094 |
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] | |
-0.54 | -0.54 | 1.08 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.526 |
r_dihedral_angle_3_deg | 12.186 |
r_dihedral_angle_4_deg | 8.151 |
r_dihedral_angle_1_deg | 4.352 |
r_scangle_it | 2.328 |
r_mcangle_it | 1.761 |
r_mcbond_it | 1.525 |
r_scbond_it | 1.438 |
r_angle_refined_deg | 1.065 |
r_angle_other_deg | 0.762 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1446 |
Nucleic Acid Atoms | |
Solvent Atoms | 309 |
Heterogen Atoms | 74 |
Software
Software | |
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Software Name | Purpose |
MAR345 | data collection |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |