2CO5

F93 FROM STIV, a winged-helix DNA-binding protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.75		HANGING DROP VAPOR DIFFUSION, 9.0-10.5 MG/ML F93 IN 10 MM TRIS-HCL, PH 8.0, 50 MM NACL, 0.5 MM TCEP MIXED WITH BUFFER CONTAINING 0.1 M SODIUM ACETATE, PH 4.75-5.0, 0.1 M MAGNESIUM NITRATE HEXAHYDRATE, 16-20% PEG 20,000.

Crystal Properties
Matthews coefficient	Solvent content
2.1	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.05	α = 90
b = 102.594	β = 90
c = 92.398	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	ADSC QUANTUM 315	VERTICAL FOCUSING MIRROR, SINGLE CRYSTAL SI(311) BENT MONOCHROMATOR (HORIZONTAL FOCUSING)	2006-03-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1		SSRL	BL9-1

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	2.2	50	99.8	0.06	33	7.1		10466		3

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)
1	2.2	2.28	100		0.34	4.2	7.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	NONE	2.2	46.37	9938	508	99.7	0.192	0.19	0.232	RANDOM	42.8

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]
1.71			-1.37		-0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.991
r_dihedral_angle_4_deg	15.73
r_dihedral_angle_3_deg	14.796
r_scangle_it	11.446
r_scbond_it	9.21
r_dihedral_angle_1_deg	6.135
r_mcangle_it	2.509
r_mcbond_it	1.994
r_angle_refined_deg	0.991
r_angle_other_deg	0.789
r_nbd_refined	0.202
r_nbtor_refined	0.178
r_nbd_other	0.172
r_symmetry_vdw_other	0.168
r_symmetry_hbond_refined	0.155
r_xyhbond_nbd_refined	0.113
r_symmetry_vdw_refined	0.104
r_nbtor_other	0.082
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1570
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement