3AO2

Fragment-based approach to the design of ligands targeting a novel site on HIV-1 integrase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3L3U	PDB ENTRY 3L3U

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	1.8M AmSO4, 0.15M Na CITRATE pH 4.6, 5mM CdCl2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.16	α = 90
b = 49.16	β = 90
c = 103.12	γ = 120

Symmetry
Space Group	P 32

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 210r	MIRRORS	2008-09-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.957	Australian Synchrotron	MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.8	50	99.4	0.037	0.041	27.7	5.6	25837	25677

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.9	15		0.16	0.18	9.7	5.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 3L3U	1.8	26.75	25837	24417	1285	100	0.18852	0.18702	0.2173	RANDOM	25.29

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]
0.02	0.01		0.02		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.484
r_dihedral_angle_3_deg	15.1
r_dihedral_angle_4_deg	8.066
r_dihedral_angle_1_deg	5.698
r_scangle_it	3.832
r_scbond_it	2.543
r_mcangle_it	1.962
r_angle_refined_deg	1.688
r_mcbond_it	1.186
r_nbtor_refined	0.299
r_symmetry_vdw_refined	0.247
r_nbd_refined	0.2
r_xyhbond_nbd_refined	0.175
r_metal_ion_refined	0.164
r_symmetry_hbond_refined	0.124
r_chiral_restr	0.094
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2092
Nucleic Acid Atoms
Solvent Atoms	118
Heterogen Atoms	77

Software

Software
Software Name	Purpose
Blu-Ice	data collection
AMoRE	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling