1U2A
STEM LOOP IIA FROM U2SNRNA OF SACCHAROMYCES CEREVISIAE, NMR, MINIMIZED AVERAGE STRUCTURE
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | NOESY(D2O) | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 | |||
2 | NOESY(H2O) | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 | |||
3 | DQF-COSY | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 | |||
4 | HP-COSY | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 | |||
5 | SPIN-ECHO DIFFERENCE-HMQC | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 | |||
6 | 3D HCCH-TOCSY | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 | |||
7 | 3D HCCH-TOCSY | 75 mM | 7.6 | 1 ATM SOLVENT SYSTEM : 10MM KH2PO4, 50 MM KCL, 15 MM NACL, 0.5 MM UREA atm | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | GE | OMEGA500 | 500 |
2 | Varian | UNITY+600 | 600 |
NMR Refinement | ||
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Method | Details | Software |
molecular dynamics | REFINEMENT WAS DONE USING TORSION ANGLE MOLECULAR DYNAMICS. DETAILS OF THE PROTOCOL CAN BE FOUND IN THE STRUCTURE CITATION ABOVE. | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | NOE VIOLATIONS < 0.2A (NOT APPLIED TO PSEUDO-NOES IN THE TERMINAL BASE PAIR), DIHEDRAL VIOL < 2 DEGREES, RMSD BONDS < 0.02A, RMSD ANGLE < 2 DEGREES, RMSD IMPROPER < 2 DEGREES |
Conformers Calculated Total Number | 15 |
Conformers Submitted Total Number | 1 |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.851 | BRUNGER |
2 | structure solution | FELIX95 | ||
3 | structure solution | XPLOR | 3.851 |