Experiment: 7OTB

Ruthenium polypridyl complex bound to a unimolecular chair-form G-quadruplex

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	Annealing: 200 uM L-[Ru(phen)2(Aqphen)]2+, 200 uM GGGTTAGGGTTAGGGTTTGGG, and 10 mM KCl. Crystallisation: 100 uM L-[Ru(phen)2(Aqphen)]2+, 100 uM GGGTTAGGGTTAGGGTTTGGG, 5 mM KCl, 40 mM NaCl, 20 mM Na Cacodylate pH 7.0, 20% v/v MPD, 6 mM spermine hydrochloride, and 10 mM BaCl2.

Crystal Properties
Matthews coefficient	Solvent content
2.2	38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.68	α = 90
b = 29.68	β = 90
c = 113.98	γ = 120

Symmetry
Space Group	P 32 2 1

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 EIGER2 XE 16M		2021-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.5604, 1.7712	Diamond	I03

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	1.6	21.29	99.7	0.1006	0.1039	0.02564	0.999	14.35	17		140815			22.39

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	1.6	1.657	98.15		0.5729	0.5988	0.171	0.932	2.39	11.8

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	1.6	21.29	1.35	14787	1471	99.82	0.1663	0.1648	0.177	0.181	0.1959	30.1717

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	443
Solvent Atoms	113
Heterogen Atoms	94

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
XDS	data reduction
xia2	data scaling
XSCALE	data scaling
SHELXDE	phasing
Coot	model building