Experiment: 5KRT

HIV-1 Integrase Catalytic Core Domain (CCD) in Complex with a Fragment-Derived Allosteric Inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	1 mM manganese chloride, 100 mM MES pH 6.7, 10% (w/v) PEG 8000, and 5 mM DTT

Crystal Properties
Matthews coefficient	Solvent content
3.02	59.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.069	α = 90
b = 72.069	β = 90
c = 66.348	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2014-03-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.917	CHESS	F1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.65	50	99.5	29.55	7.3		24271

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION		FREE R-VALUE	1.651	28.239	1.34	24261	1997	99.54	0.1856	0.1847	0.1865	0.1952	0.199

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
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.855
f_angle_d	1.329
f_chiral_restr	0.063
f_bond_d	0.008
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1129
Nucleic Acid Atoms
Solvent Atoms	115
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
SCALEPACK	data scaling