2PQZ

HIV-1 Protease in complex with a pyrrolidine-based inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52932.5M NaCl, 0.1M BisTris, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6753.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.53α = 90
b = 86β = 90
c = 46.72γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray113CCDMAR CCD 165 mmDouble crystal monochromator with 2 sets of mirrors2007-03-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.20.97803BESSY14.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.552596.30.0860.08613.44.7329123291213.6
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)RedundancyNumber Unique Reflections (All)
11.551.5887.30.3350.3352.953.31456

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTRfree-throughoutpdb entry 1XL21.5510243291232760164096.30.18880.1640.1630.2013RANDOM
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]
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.054
s_from_restr_planes0.0275
s_angle_d0.025
s_anti_bump_dis_restr0.019
s_bond_d0.009
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1506
Nucleic Acid Atoms
Solvent Atoms187
Heterogen Atoms42

Software

Software
Software NamePurpose
SHELXL-97refinement
CNSrefinement
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing