2OTK
Structure of Alzheimer Ab peptide in complex with an engineered binding protein
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_13C-separated_NOESY | 400 uM [U-100% 13C; U-100% 15N] Abeta peptide, 400 uM ZAb3 dimers, 20 mM Na-phosphate buffer | 90% H2O/10% D2O | 20 mM sodium phophate | 7.2 | ambient | 298 | |
2 | 3D_15N-separated_NOESY | 400 uM [U-100% 13C; U-100% 15N] Abeta peptide, 400 uM ZAb3 dimers, 20 mM Na-phosphate buffer | 90% H2O/10% D2O | 20 mM sodium phophate | 7.2 | ambient | 298 | |
3 | 3D_13C-separated_NOESY | 400 uM Abeta peptide, 400 uM [U-100% 13C; U-100% 15N] ZAb3 dimers, 20 mM Na-phosphate buffer | 90% H2O/10% D2O | 20 mM sodium phophate | 7.2 | ambient | 298 | |
4 | 3D_15N-separated_NOESY | 400 uM Abeta peptide, 400 uM [U-100% 13C; U-100% 15N] ZAb3 dimers, 20 mM Na-phosphate buffer | 90% H2O/10% D2O | 20 mM sodium phophate | 7.2 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 900 |
2 | Varian | INOVA | 800 |
NMR Refinement | ||
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Method | Details | Software |
Ab initio simulated annealing | Xplor-NIH |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 24 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | Intermolecular NOEs assigned based on 3D F1 (13C,15N)-filtered, F2 (13C or 15N)-edited NOESY experiments |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | Xplor-NIH | 2.15.0 | Kuszewski et al |
2 | data analysis | CcpNmr Analysis | 1.10 | Varken et al |
3 | processing | NMRPipe | 2.3 | DeLaglio |
4 | refinement | Xplor-NIH | 2.15.0 | Kuszewski et al |