3NF6

Structural basis for a new mechanism of inhibition of HIV integrase identified by fragment screening and structure based design

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.3	293	1.7M ammonium sulfate, 0.1M sodium acetate pH 5.3, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.46	49.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.488	α = 90
b = 71.488	β = 90
c = 66.819	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 210		2008-12-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.95660	Australian Synchrotron	MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.9	45.4	99.96	0.073				30121		1.1	26.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2	99.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	30.96	28583	28583	1510	99.97	0.1805	0.1805	0.17902	0.20783	RANDOM	27.492

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]
0.16	0.08		0.16		-0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.7
r_dihedral_angle_3_deg	14.041
r_dihedral_angle_4_deg	12.813
r_dihedral_angle_1_deg	5.681
r_scangle_it	3.139
r_scbond_it	2.172
r_angle_refined_deg	1.706
r_mcangle_it	1.691
r_mcbond_it	1.079
r_nbtor_refined	0.302

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.7
r_dihedral_angle_3_deg	14.041
r_dihedral_angle_4_deg	12.813
r_dihedral_angle_1_deg	5.681
r_scangle_it	3.139
r_scbond_it	2.172
r_angle_refined_deg	1.706
r_mcangle_it	1.691
r_mcbond_it	1.079
r_nbtor_refined	0.302
r_nbd_refined	0.221
r_xyhbond_nbd_refined	0.175
r_symmetry_vdw_refined	0.168
r_symmetry_hbond_refined	0.143
r_chiral_restr	0.09
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2318
Nucleic Acid Atoms
Solvent Atoms	112
Heterogen Atoms	138

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.