225D
A TETRAMERIC DNA STRUCTURE WITH PROTONATED CYTOSINE:CYTOSINE BASE PAIRS
SOLUTION NMR
NMR Refinement | ||
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Method | Details | Software |
MOLECULAR DYNAMICS, ENERGY MINIMIZATION | STRUCTURE 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 | |
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Conformer Selection Criteria | |
Conformers Calculated Total Number | |
Conformers Submitted Total Number | 1 |
Additional NMR Experimental Information | |
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Details | DATA 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 | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | BRUNGER |