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SOLUTION STRUCTURE OF A QUADRUPLEX FORMING DNA AND ITS INTERMIDIATE
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 140 MM NACL, 1.4 MM KCL, 20 MM TRISD11 PH=7.0 140 mM NACL, 7.0 1 atm 288 2 PE-COSY 140 MM NACL, 1.4 MM KCL, 20 MM TRISD11 PH=7.0 140 mM NACL, 7.0 1 atm 288 3 ROESY 140 MM NACL, 1.4 MM KCL, 20 MM TRISD11 PH=7.0 140 mM NACL, 7.0 1 atm 288 4 BASD-TOCSY 140 MM NACL, 1.4 MM KCL, 20 MM TRISD11 PH=7.0 140 mM NACL, 7.0 1 atm 288 5 2D NOESY 140 MM NACL, 1.4 MM KCL, 20 MM TRISD11 PH=7.0 140 mM NACL, 7.0 1 atm 288
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 500 2 Varian UNITYPLUS 400
NMR Refinement Method Details Software STRUCTURE REFINEMENT OF THE DNA WAS PREFORMED USING COMPLETE RELAXATION MATRIX, RESTRAINED MOLECULAR DYNAMICS. VNMR
NMR Ensemble Information Conformer Selection Criteria 80 TO 100PS STRUCTURES FROM DYNAMICS Conformers Calculated Total Number 11 Conformers Submitted Total Number 11
Additional NMR Experimental Information Details THIS STRUCTURE IS THE INTERMEDIATE FORM OF THE 15MER QUADRUPLEX WITH ONLY 1 POTASSSIUM PER DNA MOLECULE.
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR 6.1B VARIAN 2 processing VNMR 6.1B VARIAN 3 processing Felix 970 MSI 4 refinement Felix 970 MSI 5 structure solution X-PLOR 3.1 BRUNGER 6 refinement X-PLOR 3.1 BRUNGER