1C0O
SOLUTION STRUCTURE OF THE P5 HAIRPIN FROM A GROUP I INTRON COMPLEXED WITH COBALT (III) HEXAMMINE, NMR, 19 CONVERGED STRUCTURES
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | DQF-COSY | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
2 | D2O NOESY | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
3 | H2O NOESY | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
4 | TOCSY | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
5 | 13C-1H HMQC | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
6 | 31P-1H HETCOR | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
7 | 31P-1H TOCSY | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 | ||
8 | 31P-1H TOCSY-NOESY | PHOSPHATE BUFFER, EDTA | 100 mM NACL | 6.4 | 1 atm | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AMX600 | 500 |
2 | Bruker | DRX500 | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
RESTRAINED MOLECULAR DYNAMICS | REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE | X-PLOR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | NOE ENERGY (LEAST RESTRAINT VIOLATIONS), DIHEDRAL ENERGY (LEAST RESTRAINT VIOLATIONS), TOTAL ENERGY |
Conformers Calculated Total Number | 40 |
Conformers Submitted Total Number | 19 |
Additional NMR Experimental Information | |
---|---|
Details | THE STRUCTURE WAS DETERMINED USING A NON-ISOTOPICALLY LABELLED RNA SAMPLE. ALL 13C EXPERIMENTS WERE DONE USING NATURAL ABUNDANCE. COBALT (III) HEXAMMINE WAS LOCATED USING DOCKING WITH 7 INTERMOLECULAR NOES OBSERVED IN 2D WATER NOESY EXPERIMENTS. |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.1 | BRUNGER |
2 | structure solution | FELIX95 | ||
3 | structure solution | X-PLOR | 3.1 |