3AV9

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

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	40mM 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 coefficient	Solvent content
2.33	47.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.958	α = 90
b = 70.958	β = 90
c = 67.054	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 315		2009-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.96	Australian Synchrotron	MX2

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	1.7	35.5				41571	41571

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.7	35.48	41564	41564	2089	100	0.1655	0.1637	0.202	RANDOM	23.8425

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]
0.01			0.01		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.102
r_dihedral_angle_3_deg	15.135
r_dihedral_angle_4_deg	11.977
r_dihedral_angle_1_deg	6.16
r_scangle_it	5.5
r_scbond_it	3.61
r_mcangle_it	2.796
r_angle_refined_deg	2.476
r_mcbond_it	1.671
r_chiral_restr	0.202

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.102
r_dihedral_angle_3_deg	15.135
r_dihedral_angle_4_deg	11.977
r_dihedral_angle_1_deg	6.16
r_scangle_it	5.5
r_scbond_it	3.61
r_mcangle_it	2.796
r_angle_refined_deg	2.476
r_mcbond_it	1.671
r_chiral_restr	0.202
r_bond_refined_d	0.03
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2450
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	58

Software

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

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.