3FQB | pdb_00003fqb

Barium interactions with Z-DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.99	293	50mM Sodium cacoldylate, 10mM Barium chloride, 0.5mM Spermine, 30% (v/v) Methyl pentane diol , pH 6.99, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.63	24.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 17.544	α = 90
b = 30.512	β = 90
c = 44.21	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH	mirrors	2008-09-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.67	30	91.9	0.0882	0.0635	6.1	4.54	3037	2791			26.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.67	1.73	89.6		0.2711	0.233	1.7	4.37	183

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.67	13.74	2427	2427	145	86.05	0.2173	0.21689	0.2172	0.22312	0.2177	RANDOM	16.177

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]
-0.05			0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.583
r_angle_refined_deg	2.247
r_scbond_it	1.925
r_metal_ion_refined	0.4
r_nbtor_refined	0.274
r_xyhbond_nbd_refined	0.257
r_symmetry_hbond_refined	0.214
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.167
r_chiral_restr	0.094
r_bond_refined_d	0.016
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	249
Solvent Atoms	39
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
AUTOMAR	data reduction
SCALEPACK	data scaling