Experiment: 4KQV

Topoisomerase iv atp binding domain of francisella tularensis in complex with a small molecule inhibitor

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4HY1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.4	277	10% PEG 4000, 10% ISOPROPANOL, 100 MM CITRATE, pH 5.4, VAPOR DIFFUSION, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.2	α = 90
b = 163.16	β = 91.81
c = 72.28	γ = 90

Symmetry
Space Group	P 1 21 1

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	NOIR-1		2013-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2	1	ALS	4.2.2

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	2.37	66.06	96	0.076		3.5	142179	40074

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4HY1	2.38	66.06	37983	2007	98.11	0.259	0.25727	0.2551	0.2615	0.29851	0.3057	RANDOM	57.886

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]
-1.94		-0.21	-1.12		3.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.524
r_dihedral_angle_3_deg	16.862
r_dihedral_angle_4_deg	10.992
r_dihedral_angle_1_deg	5.579
r_angle_refined_deg	1.373
r_chiral_restr	0.085
r_bond_refined_d	0.008
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4363
Nucleic Acid Atoms
Solvent Atoms	129
Heterogen Atoms	72

Software

Software
Software Name	Purpose
REFMAC	refinement