1CS3

STRUCTURE OF BTB/POZ TRANSCRIPTION REPRESSION DOMAIN FROM PROMELOCYTIC LEUKEMIA ZINC FINGER ONCOPROTEIN

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8		VAPOR DIFFUSION BY 8% ISOPROPANOL, 600mM MAGNESIUM CHLORIDE, 50mM HEPES 7.5 and 50mM TRIS 8.5, pH 8.00

Crystal Properties
Matthews coefficient	Solvent content
2.42	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.8	α = 90
b = 78.2	β = 90
c = 85.2	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	190	IMAGE PLATE	RIGAKU RAXIS IV		1997-10-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.9879,0.9795,0.9791, 0.9667	NSLS	X4A

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	20	96.7	0.07	35.5	13		8790		-3	24.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.06	95		24	5.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	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		2	20	2	8749	844	96	0.228	0.228	0.272	RANDOM

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]
2.682			7.487		-6.936

RMS Deviations
Key	Refinement Restraint Deviation
x_angle_deg	1.09
x_bond_d	0.008
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
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	931
Nucleic Acid Atoms
Solvent Atoms	61
Heterogen Atoms	7

Software

Software
Software Name	Purpose
PHASES	phasing
X-PLOR	refinement
SCALEPACK	data scaling