2WBU

CRYSTAL STRUCTURE OF THE ZINC FINGER DOMAIN OF KLF4 BOUND TO ITS TARGET DNA

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2WBS	PDB ENTRY 2WBS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		27 % PEG 3350, 0.2 M NAACETATE, 0.1 M TRIS-HCL PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.49	55.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.275	α = 90
b = 50.275	β = 90
c = 131.027	γ = 90

Symmetry
Space Group	P 43 21 2

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	MARMOSAIC 225 mm CCD		2009-01-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	2.5	46.93	99.5	0.08	20.4	8.3		6277		4.2

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	2.5	2.56	100		0.64	4.2	8.4

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2WBS	2.5	46.93	5773	503	100	0.22	0.214	0.278	RANDOM	23.05

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]
2.22			2.22		-4.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.399
r_dihedral_angle_4_deg	30.21
r_dihedral_angle_3_deg	20.05
r_dihedral_angle_1_deg	6.698
r_scangle_it	2.663
r_scbond_it	1.9
r_angle_refined_deg	1.355
r_mcangle_it	1.08
r_mcbond_it	0.55
r_chiral_restr	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	708
Nucleic Acid Atoms	404
Solvent Atoms	21
Heterogen Atoms	3

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing