2DJM
Solution structure of N-terminal starch-binding domain of glucoamylase from Rhizopus oryzae
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D TOCSY | 1mM SBD (unlabel); 10mM sodium acttate pH4.5; 10% D2O, 90% H2O | 10% D2O; 90% H2O | 10mM sodium acetate | 4.5 | ambient | 298 | |
2 | 2D NOESY | 1mM SBD (unlabel); 10mM sodium acttate pH4.5; 10% D2O, 90% H2O | 10% D2O; 90% H2O | 10mM sodium acetate | 4.5 | ambient | 298 | |
3 | DQF-COSY | 1mM SBD (unlabel); 10mM sodium acttate pH4.5; 10% D2O, 90% H2O | 10% D2O; 90% H2O | 10mM sodium acetate | 4.5 | ambient | 298 | |
4 | 3D_N15_HSQC_TOCSY | N15 label 1mM SBD; 10mM sodium acttate pH4.5; 10% D2O, 90% H2O | 10% D2O; 90% H2O | 10mM sodium acetate | 4.5 | ambient | 298 | |
5 | 3D_N15_HSQC_NOESY | N15 label 1mM SBD; 10mM sodium acttate pH4.5; 10% D2O, 90% H2O | 10% D2O; 90% H2O | 10mM sodium acetate | 4.5 | ambient | 298 | |
6 | CBCA(CO)NH; HNCACB | N15,C13 double label 1mM SBD; 10mM sodium acttate pH4.5; 10% D2O, 90% H2O | 10% D2O; 90% H2O | 10mM sodium acetate | 4.5 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 800 |
2 | Bruker | AVANCE | 600 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics, distance geometry, simulated annealing, water refine | the structures are based on a total of 2414 restraints, 2238 are NOE-derived distance constraints, 102 dihedral angle restraints,74 distance restraints from hydrogen bonds. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 15 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
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Details | The structure was determined using both 2D homonuclear and triple-resonance NMR spectroscopy. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.5 | Bruker |
2 | processing | TopSpin | 1.3 | Bruker |
3 | data analysis | Sparky | 3.111 | Goddard, T.D., Kneller, D.G. |
4 | structure solution | CNS | 1.1 | |
5 | refinement | ARIA | 2.0 | Nilges, M., O'Donoghue, S.I. |