1HEG

The crystal structures at 2.2 angstroms resolution of hydroxyethylene-based inhibitors bound to human immunodeficiency virus type 1 protease show that the inhibitors are present in two distinct orientations


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthew coefficientSolvent content
2.1943.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.14α = 90
b = 64.14β = 90
c = 84.24γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION2.25235970.1860.186
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
p_orthonormal_tor27.2
p_staggered_tor25.1
p_planar_tor1.5
p_chiral_restr0.199
p_planar_d0.056
p_angle_d0.043
p_bond_d0.02
p_xhyhbond_nbd
p_scbond_it
p_plane_restr
RMS Deviations
KeyRefinement Restraint Deviation
p_orthonormal_tor27.2
p_staggered_tor25.1
p_planar_tor1.5
p_chiral_restr0.199
p_planar_d0.056
p_angle_d0.043
p_bond_d0.02
p_xhyhbond_nbd
p_scbond_it
p_plane_restr
p_mcangle_it
p_singtor_nbd
p_multtor_nbd
p_scangle_it
p_xyhbond_nbd
p_mcbond_it
p_hb_or_metal_coord
p_angle_deg
p_transverse_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms758
Nucleic Acid Atoms
Solvent Atoms33
Heterogen Atoms41

Software

Software
Software NamePurpose
PROLSQrefinement