4U6L

Crystal structure of DNA/RNA duplex obtained in the presence of [Co(NH3)6]Cl3 and SrCl2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	Na Cacodylate, Hexammine Cobalt Chloride, SrCl2, MPD

Crystal Properties
Matthews coefficient	Solvent content
3.01	59.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.52	α = 90
b = 48.52	β = 90
c = 46.52	γ = 120

Symmetry
Space Group	P 61

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	ADSC QUANTUM 315r		2013-10-27	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.60366, 1.60546, 1.0	Photon Factory	BL-5A

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	1.9	42.02	99.8	0.03	32.6	10.76		4976

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.97	100		0.316	6.4	10.83	503

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MAD	FREE R-VALUE	1.9	42.02	4975	517	99.8	0.2505	0.2752	36.1204

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]
0.427			0.427		-0.854

RMS Deviations
Key	Refinement Restraint Deviation
c_mcangle_it	2.328
c_mcbond_it	1.724
c_angle_d	1.268
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	374
Solvent Atoms	60
Heterogen Atoms	29

Software

Software
Software Name	Purpose
CrystalClear	data reduction
PHENIX	phasing
CNS	refinement
PDB_EXTRACT	data extraction
SOLVE	model building
d*TREK	data scaling
SOLVE	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.