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Zinc-binding domain of Alzheimer's disease amyloid beta-peptide complexed with a zinc (II) cation
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
DQF-COSY
2.8mM in 50mM sodium phosphate buffer
90% H2O/10% D2O
0.1
6.5
ambient
278
2
2D TOCSY
2.8mM in 50mM sodium phosphate buffer
90% H2O/10% D2O
0.1
6.5
ambient
278
3
2D NOESY
2.8mM in 50mM sodium phosphate buffer
90% H2O/10% D2O
0.1
6.5
ambient
278
4
HSQC
2.8mM in 50mM sodium phosphate buffer
90% H2O/10% D2O
0.1
6.5
ambient
278
5
HMBC
2.8mM in 50mM sodium phosphate buffer
90% H2O/10% D2O
0.1
6.5
ambient
278
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DMX
600
NMR Refinement
Method
Details
Software
simulated annealing
the structures are based on a total of 305 restraints, 282 are NOE-derived distance constraints, 6 dihedral angle restraints, and 17 zinc tetrahedral coordination constraints.
XwinNMR
NMR Ensemble Information
Conformer Selection Criteria
target function
Conformers Calculated Total Number
1000
Conformers Submitted Total Number
20
Representative Model
1 (closest to the average)
Additional NMR Experimental Information
Details
This structure was determined using standard 2D homonuclear techniques.