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The NMR structure of the 38KDa U1A protein-PIE RNA complex reveals the basis of cooperativity in regulation of polyadenylation by human U1A protein
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D FILTERED NOESY
10MM PHOSPHATE BUFFER
10MM PHOSPHATE BUFFER
6.0
1 atm
300
2
HSQCS
10MM PHOSPHATE BUFFER
10MM PHOSPHATE BUFFER
6.0
1 atm
300
3
HALF-FILTER EXPERIMENTS
10MM PHOSPHATE BUFFER
10MM PHOSPHATE BUFFER
6.0
1 atm
300
4
2D NOESY
10MM PHOSPHATE BUFFER
10MM PHOSPHATE BUFFER
6.0
1 atm
300
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DMX
600
NMR Refinement
Method
Details
Software
RESTRAINED MOLECULAR DYNAMICS
DETAILS CAN BE FOUND IN THE JOURNAL CITATION ABOVE
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
AGREEMENT WITH EXPERIMENTAL DATA
Conformers Calculated Total Number
50
Conformers Submitted Total Number
13
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING 15N, 13C AND 2D LABELED SAMPLES. DIFFERENT LABELLED SPECIES WERE MIXED IN DIFFERENT EXPERIMENTS. TRIPLE RESONANCE EXPERIMENTS COULD NOT BE USED DUE TO THE SIZE OF THE COMPLEX; TROSY WAS NOT AVAILABLE WHEN MOST OF THE ASSIGNMENT WAS COMPLETED.