1PZW

Crystal structure of the zinc finger associated domain of the Drosophila transcription factor Grauzone

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	295	PEG 4000, ammonium acetate, sodium citrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.66	α = 90
b = 48.66	β = 90
c = 82.123	γ = 90

Symmetry
Space Group	P 41 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	MARRESEARCH	mirrors	2003-02-10	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.0500, 1.2828	MPG/DESY, HAMBURG	BW6

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	1.95	50	97	0.042	36.7	4.6	7120	6907		1	52.6

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)
1	1.95	2	99.7		0.447	6.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	2	15	2	6775	6590	322	97.27	0.24204	0.24083	0.26691	RANDOM	45.879

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]
0.19			0.19		-0.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.175
r_scangle_it	5.211
r_mcangle_it	3.556
r_scbond_it	3.259
r_mcbond_it	1.979
r_angle_refined_deg	1.206
r_angle_other_deg	0.834
r_nbd_other	0.234
r_xyhbond_nbd_refined	0.219
r_nbd_refined	0.213
r_symmetry_vdw_refined	0.197
r_symmetry_vdw_other	0.196
r_symmetry_hbond_refined	0.135
r_nbtor_other	0.085
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	642
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
MLPHARE	phasing
CNS	refinement
HKL-2000	data collection
HKL-2000	data reduction