3FX5

Structure of HIV-1 Protease in Complex with Potent Inhibitor KNI-272 Determined by High Resolution X-ray Crystallography


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HPXPDB ENTRY 1HPX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1529350mM citrate, 50mM Na-phosphate, 0.061M ammonium sulfate, pH 5.0, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6753.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.532α = 90
b = 85.955β = 90
c = 46.386γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152007-04-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU0.7085SPring-8BL41XU

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
10.9347.297.20.06243.97.7150216
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)
10.930.9691.80.2953.24.1

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISPDB ENTRY 1HPX0.9347.215021615021675090.1040.124RANDOM
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_angle_d0.039
s_bond_d0.02
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1512
Nucleic Acid Atoms
Solvent Atoms470
Heterogen Atoms64

Software

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