2HEM
NMR structure and Mg2+ binding of an RNA segment that underlies the L7/L12 stalk in the E.coli 50S ribosomal subunit.
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | NOESY | RNA | D2O | 0.1 | 6.5 | 1 atm | 298 | |
2 | TOCSY | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 298 | |
3 | P-HSQC | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 298 | |
4 | 15N-HSQC | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 298 | |
5 | 2D NOESY | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 276 | |
6 | 15N-1H HSQC | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 285 | |
7 | 13C-1H HSQC | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 285 | |
8 | HNN-COSY | RNA | H2O/D2O | 0.1 | 6.5 | 1 atm | 285 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
distance geometry simulated annealing | CNS |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | Lowest energy, fewest VDW violations |
Conformers Calculated Total Number | |
Conformers Submitted Total Number | 9 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | CNS | Brunger, et. al | |
2 | structure solution | CNS | Brunger, et. al |