351D

X-RAY CRYSTAL STRUCTURES OF THE HEXAMER DCACGCG: CRYSTALS GROWN IN THE PRESENCE OF RUTHENIUM (II) HEXAMMINE CHLORIDE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION			VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
1.71	28.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 17.88	α = 90
b = 30.87	β = 90
c = 44.83	γ = 90

Symmetry
Space Group	P 21 21 21

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.64	5	2	2014			0.193

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]

RMS Deviations
Key	Refinement Restraint Deviation
n_phos_angle_it	10
n_phos_bond_it	8
n_sugar_angle_it	6
n_sugar_bond_it	4
n_multtor_nbd	0.277
n_singtor_nbd	0.135
n_phos_bond_d	0.106
n_chiral_restr	0.084
n_phos_bond_angle_d	0.06
n_sugar_bond_angle_d	0.05
n_sugar_bond_d	0.02
n_plane_restr	0.02
n_bond_d
n_angle_d
n_planar_d
n_hb_or_metal_coord
n_bond_angle_restr
n_dihedral_angle_restr
n_impr_tor
n_xhyhbond_nbd

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	240
Solvent Atoms	37
Heterogen Atoms

Software

Software
Software Name	Purpose
NUCLSQ	refinement