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STABILIZATION OF THE ANTICODON STEM-LOOP OF TRNALYS,3 BY AN A+C BASE PAIR AND BY PSEUDOURIDINE, NMR, 1 STRUCTURE
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY
H2O/D2O
100 mM NACL
5
303
2
ROESY
H2O/D2O
100 mM NACL
5
303
3
TOCSY
H2O/D2O
100 mM NACL
5
303
4
HMQC
H2O/D2O
100 mM NACL
5
303
5
1H-31P COSY
H2O/D2O
100 mM NACL
5
303
6
1H-31P HETERO-TOCSY-TOCSY
H2O/D2O
100 mM NACL
5
303
7
DQCOSY
H2O/D2O
100 mM NACL
5
303
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITY 500
500
NMR Refinement
Method
Details
Software
molecular dynamics
AMBER FORCEFIELD
Discover
NMR Ensemble Information
Conformer Selection Criteria
LEAST RESTRAINT VIOLATION
Conformers Calculated Total Number
60
Conformers Submitted Total Number
1
Additional NMR Experimental Information
Details
LOWEST RMSD DIFFERENCE FROM AVERAGE STRUCTURE. STRUCTURE WAS DETERMINED USING RESTRAINTS FROM HOMONUCLEAR ROESY, DQCOSY AND NOESY DATA. ASSIGNMENTS WERE MADE WITH A COMBINATION OF ROESY, NOESY, TOCSY, 1H-13C HMQC AND 1H-31P.