1D4I

HIV-1 protease in complex with the inhibitor BEA425


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5277sodium chloride, MES, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthew coefficientSolvent content
2.7354.99

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.619α = 90
b = 86.315β = 90
c = 46.686γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277IMAGE PLATEMARRESEARCH1998-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLURE BEAMLINE D41ALURED41A

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
11.8127.8897.50.0927.54.422257217351111.4
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)
1.811.9295.60.2494.43298

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT1.8127.88112225721735111597.70.0920.1910.228RANDOM21.1
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]
4.35-3.76-0.59
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.4
c_scangle_it2.13
c_scbond_it1.36
c_mcangle_it1.32
c_angle_deg1.2
c_improper_angle_d0.81
c_mcbond_it0.78
c_bond_d0.007
c_angle_deg_prot
c_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.4
c_scangle_it2.13
c_scbond_it1.36
c_mcangle_it1.32
c_angle_deg1.2
c_improper_angle_d0.81
c_mcbond_it0.78
c_bond_d0.007
c_angle_deg_prot
c_bond_d_na
c_angle_d
c_dihedral_angle_d_prot
c_angle_d_na
c_improper_angle_d_na
c_improper_angle_d_prot
c_angle_d_prot
c_bond_d_prot
c_angle_deg_na
c_dihedral_angle_d_na
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1516
Nucleic Acid Atoms
Solvent Atoms133
Heterogen Atoms47

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing