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Solution structure of a duocarmycin sa-indole-alkylated dna dupleX
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY
150mM
7.0
300
2
COSY
150mM
7.0
300
3
TOCSY
150mM
7.0
300
4
2Q
150mM
7.0
300
5
P.E. COSY
150mM
7.0
300
6
1H-13C HSQC
150mM
7.0
300
7
1D 31P
150mM
7.0
300
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AMX600
600
NMR Refinement
Method
Details
Software
NAB TO GENERATE A FAMILY OF CONFOMRERS THAT SAMPLE A WIDE RANGE OF
CONFORMATIONAL SPACE. RESTRAINED MOLECULAR DYNAMICS TO GENERATE A RANGE OF
STARTING STRUCTURES FOR DSI. PAIRS OF DNA AND DSI STRUCTURES WERE THEN DOCKED
AND ITERATIVELY REFINED BY A SERIES OF RESTRAINED MOLECULAR DYNAMICS
CALCULATIONS.
REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE.
Amber
NMR Ensemble Information
Conformer Selection Criteria
LOWEST RESTRAINT VIOLATIONS
Conformers Calculated Total Number
40
Conformers Submitted Total Number
20
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING HOMONUCLEAR 1H NMR DATA. RESONANCE
ASSIGNMENTS WERE AIDED BY A 1H - 13C HSQC EXPERIMENT PERFORMED AT NATURAL
ISOTOPE ABUNDANCE.