3NU4

Crystal Structure of HIV-1 Protease Mutant V32I with Antiviral Drug Amprenavir


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.4298The vapour diffusion, hanging drop method is applied. Amprenvir was dissolved in DMSO. Protein concentration is 2.2 mg/ml. The ratio of inhibitor to protein is 5:1 in 0.1 M sodium acetate buffer (ph=5.4), with 0.4M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.6854.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.769α = 90
b = 86.13β = 90
c = 46.284γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2007-03-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID0.8APS22-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
11.25091.60.0816.1666266662612.517
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)
1.21.2462.70.4422.53.44482

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R3NU31.210332691.60.16390.16190.16190.2002RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
1516371674.81
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.08
s_non_zero_chiral_vol0.076
s_zero_chiral_vol0.068
s_similar_adp_cmpnt0.038
s_angle_d0.031
s_from_restr_planes0.0293
s_anti_bump_dis_restr0.029
s_bond_d0.013
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1514
Nucleic Acid Atoms
Solvent Atoms150
Heterogen Atoms39

Software

Software
Software NamePurpose
HKL-2000data collection
AMoREphasing
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling