2KRW
Solution structure of the E coli tRNA-Arg1 (ACG) containing the 2-thiocytidine modification in position 32
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H NOESY | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-1 | 90% H2O/10% D2O | 20 | 6.8 | ambient | 298 | |
2 | 2D 1H-1H NOESY | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-2 | 100% D2O | 20 | 6.8 | ambient | 298 | |
3 | 2D DQF-COSY | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-2 | 100% D2O | 20 | 6.8 | ambient | 298 | |
4 | 2D 1H-1H COSY | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-1 | 90% H2O/10% D2O | 20 | 6.8 | ambient | 298 | |
5 | 2D 1H-1H TOCSY | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-1 | 90% H2O/10% D2O | 20 | 6.8 | ambient | 298 | |
6 | 2D 1H-13C HSQC | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-2 | 100% D2O | 20 | 6.8 | ambient | 298 | |
7 | 2D 1H-31P HETCOR | 0.7 mM RNA (5'-R(*CP*UP*CP*GP*GP*(N)P*UP*AP*CP*GP*AP*AP*CP*CP*GP*AP*G)-3')-2 | 100% D2O | 20 | 6.8 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
2 | Bruker | Avance | 500 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | xwinnmr |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 11 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | xwinnmr | Bruker Biospin | |
2 | collection | TOPSPIN | Bruker Biospin | |
3 | collection | VNMRJ | Varian | |
4 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
5 | data analysis | NMRDraw | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
6 | structure solution | CNS | 1.21 | Brunger, Adams, Clore, Gros, Nilges and Read |
7 | data analysis | SPARKY | Goddard | |
8 | chemical shift assignment | SPARKY | Goddard | |
9 | peak picking | SPARKY | Goddard | |
10 | data analysis | Molmol | Koradi, Billeter and Wuthrich | |
11 | refinement | CNS | 1.21 | Brunger, Adams, Clore, Gros, Nilges and Read |