3MG8
Structure of yeast 20S open-gate proteasome with Compound 16
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1G0U | pdb entry 1g0u |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 100 mM MES, 40 mM MgOAc, 15% 2-methyl-2,4-pentanediol (MPD), 10 mM EDTA, pH 7.0, vapor diffusion, hanging drop, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.79 | 67.54 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 136.333 | α = 90 |
b = 299.185 | β = 113.13 |
c = 145.667 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | CCD | MAR CCD 165 mm | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 31-ID | APS | 31-ID |
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 | 2.59 | 50 | 95.6 | 0.073 | 11.1 | 3.3 | 315407 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.59 | 2.69 | 85.9 | 0.327 | 2.8 | 28297 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | pdb entry 1g0u | 2.59 | 49.88 | 315315 | 6368 | 95.22 | 0.224 | 0.224 | 0.252 | RANDOM | 43.403 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.18 | -0.02 | -0.27 | 0.08 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.626 |
r_dihedral_angle_3_deg | 17.257 |
r_dihedral_angle_4_deg | 15.882 |
r_dihedral_angle_1_deg | 5.752 |
r_scangle_it | 1.99 |
r_angle_refined_deg | 1.12 |
r_scbond_it | 1.113 |
r_mcangle_it | 0.89 |
r_mcbond_it | 0.462 |
r_chiral_restr | 0.076 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 49298 |
Nucleic Acid Atoms | |
Solvent Atoms | 5 |
Heterogen Atoms | 126 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |