DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3')
Mass: 6661.276 Da / Num. of mol.: 1 / Source method: obtained synthetically Details: G-quadruplex forming sequence from the telomeric region of human DNA. Source: (synth.) synthetic construct (others)
Mass: 18.015 Da / Num. of mol.: 111 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interest
Y
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 2.2 Å3/Da / Density % sol: 38 %
Crystal grow
Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7 Details: 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, ...Details: 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. Temp details: Cold Room
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Data collection
Diffraction
Mean temperature: 100 K / Serial crystal experiment: N
Method to determine structure: SAD / Resolution: 1.6→21.29 Å / SU ML: 0.17 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 24.93 / Stereochemistry target values: ML
Rfactor
Num. reflection
% reflection
Rfree
0.181
1471
9.95 %
Rwork
0.1648
13316
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obs
0.1663
14787
99.82 %
Solvent computation
Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL