2O49

Crystal Structure of the N-terminal CUT domain of SATB1 Bound to Matrix Attachment Region DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	20% PEG 20000, 0.05M TrisHCl, 0.01M magnesium chloride, 20% ethylene glycol, pH 8.00, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.23	50.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.659	α = 71.6
b = 36.997	β = 83.92
c = 41.248	γ = 71.07

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	90	CCD	BRUKER SMART 6000		2006-01-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	MACSCIENCE	1.5418

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	19.64	89.8	0.053	21.6	3.7		9632			25.7

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	2.1	55.2		0.155	3.9	1.9	1571

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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 1YSE	2	19.57	2	2	10638	9613	993	90.3	0.212	0.212	0.255	RANDOM	24

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]
7.81	6.73	1.35	-5.87	2.28	-1.94

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	17
c_scangle_it	2.89
c_scbond_it	1.96
c_mcangle_it	1.85
c_mcbond_it	1.21
c_improper_angle_d	1.17
c_angle_deg	1.08
c_bond_d	0.005
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	696
Nucleic Acid Atoms	486
Solvent Atoms	75
Heterogen Atoms

Software

Software
Software Name	Purpose
SMART	data collection
CNS	refinement
SAINT	data reduction
SCALA	data scaling
CNS	phasing