1PUS
Solution Structure of the MutT Pyrophosphohydrolase Complexed with Mg(2+) and 8-oxo-dGMP, a Tightly-bound Product
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_15N-separated_NOESY | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 | |
2 | 2D NOESY | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 | |
3 | 2D TOCSY | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 | |
4 | 3D_13C-separated_NOESY | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 | |
5 | 12C/13C-filtered-NOESY-HSQC | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 | |
6 | HNCA | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 | |
7 | NHCACB | 1MM MUTT, 1.3MM 8-OXO-DGMP, 15MM MGCL2, 4MM D11-TRIS-HCL, PH 7.5, 21MM NACL, 0.34MM NAN3. | 90% H2O/10% D2O | 21 mM NaCl | 7.5 | ambient | 295 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing torsion angle dynamics | the structures are based on 1746 NOE-derived distance constraints, 186 dihedral angle restraints derived from TALOS, 82 distance restraints from hydrogen bonds and 3 assumed distances ligand/protein (see Case 4, Table 1 in reference). | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | 2.1 | F. Delaglio |
2 | structure solution | CNS | 1.1 | A. Brunger et al. |
3 | data analysis | TALOS | 1999.019.15.47 | Cornilecu, Delaglio and Bax |
4 | refinement | CNS | 1.1 | A. Brunger et al. |