Yeast 20S proteasome with human beta5c (1-138) and human beta6 (97-111; 118-133) in complex with PR-924
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 5CZ4 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.8 | 293 | 20 mM MgAC2, 13% MPD, 0.1 M MES | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 3.67 | 66.52 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 136.54 | α = 90 | 
| b = 299.51 | β = 112.83 | 
| c = 145.85 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | PSI PILATUS 6M | 2015-07-11 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SLS BEAMLINE X06SA | 1.0 | SLS | X06SA | 
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 | 2.7 | 30 | 95.7 | 0.062 | 15.4 | 3.2 | 282203 | ||||||||||||
| 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 | 2.7 | 2.8 | 97.3 | 0.505 | 3.2 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 5CZ4 | 2.7 | 15 | 268092 | 14111 | 95.85 | 0.18956 | 0.18839 | 0.19 | 0.21167 | 0.22 | RANDOM | 61.314 | ||||
| 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] | |
| 2.86 | -0.57 | -4.89 | 1.68 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 33.797 | 
| r_sphericity_free | 31.58 | 
| r_dihedral_angle_3_deg | 14.502 | 
| r_dihedral_angle_4_deg | 14.32 | 
| r_sphericity_bonded | 12.561 | 
| r_dihedral_angle_1_deg | 4.787 | 
| r_long_range_B_refined | 3.213 | 
| r_long_range_B_other | 3.199 | 
| r_mcangle_it | 2.775 | 
| r_mcangle_other | 2.775 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 49366 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 400 | 
| Heterogen Atoms | 153 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| XDS | data reduction | 
| XSCALE | data scaling | 
| REFMAC | phasing | 
| REFMAC | refinement | 














