296D | pdb_0000296d

SEQUENCE-DEPENDENT EFFECTS IN DRUG-DNA INTERACTION: THE CRYSTAL STRUCTURE OF HOECHST 33258 BOUND TO THE D(CGCAAATTTGCG)2 DUPLEX

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	288	pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 288.00K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.27	α = 90
b = 41.32	β = 90
c = 65.11	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		AREA DETECTOR	XENTRONICS			M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR571

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	2.1			0.061			11799	3114

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		2.25	8	2	2125			0.185

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	488
Solvent Atoms	63
Heterogen Atoms	32

Software

Software
Software Name	Purpose
NUCLSQ	refinement
XENGEN	data scaling