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NMR ENSEMBLE OF ION-SELECTIVE LIGAND A1 FOR PLATELET INTEGRIN ALPHAIIB-BETA3
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY & DQF-COSY
3mg/ml A1
20mM phosphate buffer;
90% H2O, 10% D2O
3mg/ml
6.5
1 atm
278
2
3
4
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITYPLUS
500
NMR Refinement
Method
Details
Software
restrained molecular dynamics
and chemical shift refinement.
Ensemble A1 is based on a total of
117 NOE-derived distance constraints,
10 dihedral angle restraints,
1 covalent -SS- bonds and
1 VRGD, i,i+3 hydrogen bonds
respectively.
Refinements incorporated alpha proton
and alpha, beta carbon shifts of 7-11
residues.
VNMR
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
200
Conformers Submitted Total Number
15
Additional NMR Experimental Information
Details
These structures were determined using
standard 2D homonuclear techniques (circa 2000).