1EXQ

CRYSTAL STRUCTURE OF THE HIV-1 INTEGRASE CATALYTIC CORE DOMAIN


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.6293ammonium sulfate, cadmium chloride, Na citrate, DTT, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 20K
Crystal Properties
Matthews coefficientSolvent content
2.1442.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.886α = 90
b = 48.886β = 90
c = 103.644γ = 120
Symmetry
Space GroupP 32

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90IMAGE PLATEMARRESEARCH1998-12-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

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
11.622.197.20.0531762133123559924.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.795.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT1.622.113662435599269397.20.2530.2530.2530.271RANDOM32.5
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]
3.823.443.82-7.64
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22
c_angle_deg1.1
c_improper_angle_d0.69
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2217
Nucleic Acid Atoms
Solvent Atoms99
Heterogen Atoms26

Software

Software
Software NamePurpose
CNSrefinement
MAR345data collection
SCALEPACKdata scaling
CNSphasing