Experiment: 6V6R

Crystal Structure of a Bromine Derivatized Self-Assembling DNA Crystal Scaffold with Rhombohedral Symmetry.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		298	Crystallization conditions: 0.5 mL of 50 mM cacodylate pH 6.5 with 100 mM MgCl2, 1 mM cobalt hexamine, and 10% Ethanol was added to the reservoir with 2 uL added to the drop containing 4 uL of DNA stock.

Crystal Properties
Matthews coefficient	Solvent content
4.51	72.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.806	α = 90
b = 115.806	β = 90
c = 44.748	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS3 S 6M		2018-08-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.92	ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.7	50	98.5	0.062	0.079	0.049	0.93	18.1	2.4		12116			83.16

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.75	92.5		0.637	0.833	0.53	0.621		1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.7	40.865	1.96	12050	602	97.98	0.2435	0.2416	0.2481	0.2786	0.2858	109.8962

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
f_dihedral_angle_d	35.496
f_angle_d	0.753
f_chiral_restr	0.04
f_bond_d	0.005
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	855
Solvent Atoms
Heterogen Atoms	2

Software

Software
Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL2Map	phasing