3AVF

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
2.3447.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.653α = 90
b = 70.653β = 90
c = 66.862γ = 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
11.766.94108841088

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 REPLACEMENTTHROUGHOUT1.761.1941063206599.960.16290.1610.1994RANDOM21.9638
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]
0.150.080.15-0.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.035
r_dihedral_angle_3_deg15.981
r_dihedral_angle_4_deg8.817
r_dihedral_angle_1_deg6.077
r_angle_refined_deg2.631
r_chiral_restr0.213
r_bond_refined_d0.031
r_gen_planes_refined0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2453
Nucleic Acid Atoms
Solvent Atoms169
Heterogen Atoms54

Software

Software
Software NamePurpose
d*TREKdata scaling
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
d*TREKdata reduction