3SDI

Structure of yeast 20S open-gate proteasome with Compound 20


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7293100 mM MES, pH 7.0, 40 mM MgOAc, 15% 2-methyl-2,4-pentanediol (MPD), 10 mM EDTA, vapor diffusion, hanging drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.8868.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 136.6α = 90
b = 299.45β = 113.17
c = 145.483γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDMAR CCD 165 mmMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-IDAPS31-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.653095.80.0999.53.7297624
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.652.7478.80.3782.824439

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1G0U2.6530296915599695.40.21930.21860.2532RANDOM47.8467
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]
2.42-0.49-4.431.63
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.134
r_dihedral_angle_4_deg18.044
r_dihedral_angle_3_deg17.922
r_dihedral_angle_1_deg5.921
r_scangle_it2.58
r_scbond_it1.44
r_angle_refined_deg1.258
r_mcangle_it1.092
r_mcbond_it0.56
r_chiral_restr0.085
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.134
r_dihedral_angle_4_deg18.044
r_dihedral_angle_3_deg17.922
r_dihedral_angle_1_deg5.921
r_scangle_it2.58
r_scbond_it1.44
r_angle_refined_deg1.258
r_mcangle_it1.092
r_mcbond_it0.56
r_chiral_restr0.085
r_bond_refined_d0.01
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms48883
Nucleic Acid Atoms
Solvent Atoms1
Heterogen Atoms128

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction