225D

A TETRAMERIC DNA STRUCTURE WITH PROTONATED CYTOSINE:CYTOSINE BASE PAIRS


SOLUTION NMR
NMR Refinement
MethodDetailsSoftware
MOLECULAR DYNAMICS, ENERGY MINIMIZATIONSTRUCTURE CALCULATION: MOLECULAR DYNAMICS AND ENERGY MINIMIZATION USING X-PLOR CONSTRAINTS (PER STRAND): TOTAL 70 DISTANCE CONSTRAINTS (ABOUT 12/NUCLEOTIDE) 43 FROM INTRANUCLEOTIDE NOES 6 FROM SEQUENTIAL INTERNUCLEOTIDE NOES 21 FROM NON-SEQUENTIAL INTERNUCLEOTIDE NOES 15 FROM HYDROGEN BONDS DIHEDRAL ANGLE CONSTRAINTS 10 BACKBONE AND SUGAR RING TORSION ANGLES CONSTRAINTS TO MAKE CYTOSINE BASE PAIRS PLANAR 4-FOLD SYMMETRY CONSTRAINTS (AS 3 SETS OF PAIRWISE NON-CRYSTALLOGRAPHIC SYMMETRY CONSTRAINTS)X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number1
Additional NMR Experimental Information
DetailsDATA COLLECTION PARAMETERS: FREQUENCY: 600 MHZ FOR 1H, 242 MHZ FOR 31P SAMPLE TUBE: 5 MM, 7.5 MILLIMOLAR STRAND, PH 4.3, 25 C SPECTRA FOR ASSIGNMENTS: HOMONUCLEAR PROTON 2D, 1H-31P TOCSY; SPECTRA FOR CONSTRAINTS: NOESY, DQF-COSY, 1H-31P COSY
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementX-PLORBRUNGER