2ILX
Solution structure of catalytic domain of rat 2',3'-cyclic-nucleotide 3'-phosphodiesterase (CNP) protein
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 15N-edited NOESY | 1 mM CNP U-15N, 13C; 50 mM phosphate buffer; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.15 mM NaCl | 6.0 | 1 atm | 310 | |
2 | 13C-edited NOESY | 1 mM CNP U-15N, 13C; 50 mM phosphate buffer; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.15 mM NaCl | 6.0 | 1 atm | 310 | |
3 | HNCACB | 1 mM CNP U-15N, 13C; 50 mM phosphate buffer; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.15 mM NaCl | 6.0 | 1 atm | 310 | |
4 | CBCA(CO)HN | 1 mM CNP U-15N, 13C; 50 mM phosphate buffer; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.15 mM NaCl | 6.0 | 1 atm | 310 | |
5 | HNCO | 1 mM CNP U-15N, 13C; 50 mM phosphate buffer; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.15 mM NaCl | 6.0 | 1 atm | 310 | |
6 | IPAP-HSQC | 1 mM CNP U-15N; 50 mM MES buffer; 1% C12E5/hexanol; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.15 mM NaCl | 6.0 | 1 atm | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 800 |
2 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | structure was refined by using standard protocol in CNS with restraints from NOE distances, backbone torsion angles, hydrogen bonds and residual dipolar couplings | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy and the least restraint violations |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | the structure was determined using multi-resonance NMR spectroscopy |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.5 | Bruker |
2 | processing | NMRPipe | 2.0 | Delargio et al. |
3 | data analysis | XEASY | 1.3.13 | Bartels et al. |
4 | refinement | CNS | 1.1 | Brunger et al. |
5 | data analysis | ARIA | 1.1 | Nilges et al. |
6 | data analysis | TALOS | 2003 | Cornilescu et al. |