1C0M

CRYSTAL STRUCTURE OF RSV TWO-DOMAIN INTEGRASE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	HANGING DROP VAPOR DIFFUSION METHOD	7	277	PLATE-SHAPED CRYSTALS WERE INFREQUENTLY GROWN BY HANGING DROP VAPOR DIFFUSION METHOD. RESERVOIR SOLUTION CONTAINED 0.050M KCL, 0.01M MGCL2, 0.05M SODIUM CACODYLATE, PH 7.0, 10% PEG 3350, and 20% (V/V) ETHYLENE GLYCOL. THE DROP CONTAINED 1:1 MIXTURE OF RESERVOIR SOLUTION AND PROTEIN (10-15 MG/ML), HANGING DROP VAPOR DIFFUSION METHOD, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.4	47.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.752	α = 67.47
b = 66.369	β = 78.61
c = 76.67	γ = 90.18

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	IMAGE PLATE	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X9B		NSLS	X9B

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	2.53	15	87.6	0.036	18.3	1.8		28842		0.04	25

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.53	2.62	75.7		0.096	5.4	1.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	A POLYALANINE 1C1A INITIAL MODEL BUILT FROM 3.2A MAD PHASED MAP, WITHOUT RESIDUES 200-220	2.53	15	0.2	27399	1443	87.6	0.216	0.216	0.279	RANDOM	29.5

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]
1.355	-2.813	3.866	-0.276	5.223	-1.08

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	23
x_scbond_it	2.669
x_mcbond_it	1.675
x_angle_deg	1.22
x_improper_angle_d	0.82
x_bond_d	0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcangle_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6893
Nucleic Acid Atoms
Solvent Atoms	141
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	refinement
CNS	refinement
AMoRE	phasing
DENZO	data reduction
SCALEPACK	data scaling