2NZ3
NMR structure of DEF-AcAA, a mutant of anopheles defensin DEF-AAA
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | DQF-COSY | 2.5mM DEF-AcAA; 40mM sodium acetate buffer | 90% H2O/10% D2O | 40mM sodium acetate buffer | 4.9 | ambient | 293 | |
2 | 2D TOCSY | 2.5mM DEF-AcAA; 40mM sodium acetate buffer | 90% H2O/10% D2O | 40mM sodium acetate buffer | 4.9 | ambient | 293 | |
3 | 2D NOESY | 2.5mM DEF-AcAA; 40mM sodium acetate buffer | 90% H2O/10% D2O | 40mM sodium acetate buffer | 4.9 | ambient | 293 | |
4 | DQF-COSY | 2.5mM DEF-AcAA; 40mM sodium acetate buffer | 90% H2O/10% D2O | 40mM sodium acetate buffer | 4.9 | ambient | 303 | |
5 | 2D TOCSY | 2.5mM DEF-AcAA; 40mM sodium acetate buffer | 90% H2O/10% D2O | 40mM sodium acetate buffer | 4.9 | ambient | 303 | |
6 | 2D NOESY | 2.5mM DEF-AcAA; 40mM sodium acetate buffer | 90% H2O/10% D2O | 40mM sodium acetate buffer | 4.9 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
NMR Refinement | ||
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Method | Details | Software |
Simulated annealing with torsion angle space (ARIA/CNS) | The structures are based on a total of 755 NOE-derived distance constraints | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy and the least restraint violations |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest restraint energy) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear techniques |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | NMRPipe | 2.2 | Delaglio |
2 | data analysis | NMRView | 5.0 | Johnson |
3 | structure solution | ARIA | 1.1 | Linge & Nilges |
4 | structure solution | CNS | 1.1 | Brunger |
5 | refinement | CNS | 1.1 | Brunger |