3AVH

Crystal structures of novel allosteric peptide inhibitors of HIV integrase in the LEDGF binding site


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP29340mM Tris pH 8.0, 250mM NaCl, 30mM MgCl2, 5mM DTT, 1.6-2.0M ammonium sulfate, 100mM sodium acetate buffer pH 5.0-5.5, vapor diffusion, sitting drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3247

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.779α = 90
b = 70.779β = 90
c = 67.365γ = 120
Symmetry
Space GroupP 31

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-12-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX20.96Australian SynchrotronMX2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.8867.43071430714

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.8861.33069115491000.15580.15350.2RANDOM25.0245
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]
0.450.230.45-0.68
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.585
r_dihedral_angle_3_deg16.463
r_dihedral_angle_4_deg12.879
r_dihedral_angle_1_deg5.788
r_angle_refined_deg2.246
r_chiral_restr0.2
r_bond_refined_d0.031
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2448
Nucleic Acid Atoms
Solvent Atoms148
Heterogen Atoms50

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction