1PUY

1.5 A resolution structure of a synthetic DNA hairpin with a stilbenediether linker

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.3	298	MPD, magnesium chloride, cacodylate, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.30

Crystal Properties
Matthews coefficient	Solvent content
1.92	35.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.89	α = 90
b = 41.86	β = 90
c = 51.1	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	CCD	APS-1	MIRRORS	1999-05-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.5	14.95	93.9				10079

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.5	15	9590	9590	489	93.9	0.206	0.204	0.239	RANDOM	15.01

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]
-2.04			2.69		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	2.954
r_sphericity_free	2.794
r_sphericity_bonded	2.406
r_scbond_it	2.232
r_angle_refined_deg	1.987
r_rigid_bond_restr	1.653
r_angle_other_deg	1.135
r_nbd_other	0.267
r_symmetry_hbond_refined	0.22
r_symmetry_vdw_other	0.181
r_xyhbond_nbd_refined	0.162
r_nbtor_other	0.159
r_nbd_refined	0.141
r_symmetry_vdw_refined	0.101
r_chiral_restr	0.077
r_gen_planes_refined	0.018
r_bond_refined_d	0.017
r_bond_other_d	0.003
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_it
r_mcangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	536
Solvent Atoms	170
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing