3M5B

Crystal structure of the BTB domain from FAZF/ZBTB32

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	295	0.2 M ammonium sulfate, 0.35 M sodium citrate pH 5.5 and 30% (w/v) PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.076	α = 90
b = 32.809	β = 108.2
c = 69.425	γ = 90

Symmetry
Space Group	P 1 2 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	ADSC QUANTUM 210	mirrors	2003-09-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F2	0.9790	CHESS	F2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	30	99.2	0.063	16.95	2.96		14434		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.05	96.8		0.245	3.77		953

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	STARTING MODEL: SINGLE CHAIN POLY-ALANINE MODEL OF PDB CODE 1BUO, EXCEPT LOOP REGIONS AND TURNS	2	26.83	13726	704	99.22	0.18916	0.18635	0.24388	RANDOM	24.46

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]
			0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.875
r_dihedral_angle_3_deg	17.723
r_dihedral_angle_4_deg	17.124
r_dihedral_angle_1_deg	5.915
r_scangle_it	4.844
r_scbond_it	3.04
r_mcangle_it	1.931
r_angle_refined_deg	1.792
r_mcbond_it	1.383
r_nbtor_refined	0.295
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.216
r_symmetry_hbond_refined	0.214
r_xyhbond_nbd_refined	0.179
r_chiral_restr	0.142
r_bond_refined_d	0.023
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1668
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling