3AO1

Fragment-based approach to the design of ligands targeting a novel site in 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	5.6	293	1.6M AmSO4, 0.1M Na Citrate pH 5.6, 5mM CdCl2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.587	α = 90
b = 61.997	β = 90
c = 81.765	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 300 mm plate	double crystal monochromator and K-B pair of biomorph mirrors	2007-08-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.97937	APS	23-ID-B

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	1.9	62	99.9	0.086	0.093	11	7	24972	24930

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)
	1.9	2	100		0.48	0.52	3.2	7

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	1.9	49.4	24930	23602	1234	99.67	0.21876	0.21635	0.2676	RANDOM	38.818

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]
-0.33			2.64		-2.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.015
r_dihedral_angle_3_deg	14.597
r_dihedral_angle_4_deg	12.575
r_dihedral_angle_1_deg	4.863
r_scangle_it	4.325
r_mcangle_it	3.119
r_scbond_it	3.05
r_mcbond_it	2.152
r_angle_refined_deg	1.374
r_symmetry_hbond_refined	0.386
r_metal_ion_refined	0.254
r_symmetry_vdw_other	0.249
r_nbd_refined	0.204
r_nbd_other	0.186
r_mcbond_other	0.184
r_xyhbond_nbd_refined	0.181
r_nbtor_refined	0.175
r_symmetry_vdw_refined	0.114
r_nbtor_other	0.083
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_xyhbond_nbd_other	0.004
r_gen_planes_other	0.001
r_bond_other_d
r_angle_other_deg
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2159
Nucleic Acid Atoms
Solvent Atoms	72
Heterogen Atoms	39

Software

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