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NMR STRUCTURE OF D(TTGGCCAA)2 BOUND TO CHROMOMYCIN-A3 AND COBALT
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY
D2O, 90% H2O, 10% D2O
100mM NACL
6.5
1 atm
298
2
COSY
D2O, 90% H2O, 10% D2O
100mM NACL
6.5
1 atm
298
3
TOCSY
D2O, 90% H2O, 10% D2O
100mM NACL
6.5
1 atm
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
GE
OMEGA500
500
NMR Refinement
Method
Details
Software
simulated annealing
Paramagnetic Shifts and NOEs used in refinement. Other REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE
NMRPipe
NMR Ensemble Information
Conformer Selection Criteria
MINIMIZED AVERAGED COORDINATES FROM 6 RUNS
Conformers Calculated Total Number
100
Conformers Submitted Total Number
6
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING PSEUDOCONTACT SHIFTS IN THE NMR SPECTRUM. PSEUDOCONTACT SHIFTS WERE MEASURED AS THE DIFFERENCE IN THE CHEMICAL SHIFT BETWEEN THE CO(II) COMPLEX AND THE ZN(II) COMPLEX. IN MODELS 1-3, ONLY SHIFTS WERE USED; IN MODELS 4-6 SHIFTS + NOE'S WERE USED IN REFINEMENT.