2MFP
Solution structure of the circular g-domain analog from the wheat metallothionein Ec-1
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 0.9 mM cyc-gEc1, 1.8 mM 113Cd CADMIUM ION, 10 mM [U-99% 2H] TRIS, 10 mM sodium perchlorate | 90% H2O/10% D2O | 0.02 | 7.5 | ambient | 307.2 | |
2 | 2D 1H-1H NOESY | 0.9 mM cyc-gEc1, 1.8 mM 113Cd CADMIUM ION, 10 mM [U-99% 2H] TRIS, 10 mM sodium perchlorate | 90% H2O/10% D2O | 0.02 | 7.5 | ambient | 307.2 | |
3 | 2D 1H-113Cd HSQC | 0.9 mM cyc-gEc1, 1.8 mM 113Cd CADMIUM ION, 10 mM [U-99% 2H] TRIS, 10 mM sodium perchlorate | 90% H2O/10% D2O | 0.02 | 7.5 | ambient | 307.2 | |
4 | 2D 1H-1H TOCSY | 0.9 mM cyc-gEc1, 1.8 mM 113Cd CADMIUM ION, 10 mM [U-99% 2H] TRIS, 10 mM sodium perchlorate | 90% H2O/10% D2O | 0.02 | 7.5 | ambient | 295.5 | |
5 | 2D 1H-1H NOESY | 0.9 mM cyc-gEc1, 1.8 mM 113Cd CADMIUM ION, 10 mM [U-99% 2H] TRIS, 10 mM sodium perchlorate | 90% H2O/10% D2O | 0.02 | 7.5 | ambient | 295.5 | |
6 | 2D 1H-113Cd HSQC | 0.9 mM cyc-gEc1, 1.8 mM 113Cd CADMIUM ION, 10 mM [U-99% 2H] TRIS, 10 mM sodium perchlorate | 90% H2O/10% D2O | 0.02 | 7.5 | ambient | 295.5 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 700 |
2 | Bruker | AVANCE | 600 |
3 | Bruker | DRX | 500 |
NMR Refinement | ||
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Method | Details | Software |
molecular dynamics, simulated annealing | RESTRAINT REFINEMENT IN EXPLICIT SOLVENT (WATER), IN TORSION COORDINATES USING NOEASSIGN ALGORITHM | CARA |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | chemical shift assignment | CARA | 1.9.0 | Keller and Wuthrich |
2 | peak picking | CARA | 1.9.0 | Keller and Wuthrich |
3 | data analysis | CARA | 1.9.0 | Keller and Wuthrich |
4 | structure solution | CYANA | 3.1 | Guntert, Mumenthaler and Wuthrich |
5 | chemical shift assignment | Sparky | 3.113 | Goddard |
6 | peak picking | Sparky | 3.113 | Goddard |
7 | data analysis | Sparky | 3.113 | Goddard |
8 | data analysis | XEASY | 1.3.13 | Bartels et al. |
9 | peak picking | XEASY | 1.3.13 | Bartels et al. |
10 | structure solution | X-PLOR NIH | 2.33 | Schwieters, Kuszewski, Tjandra and Clore |
11 | refinement | X-PLOR NIH | 2.33 | Schwieters, Kuszewski, Tjandra and Clore |
12 | processing | TopSpin | 3.0 | Bruker Biospin |
13 | collection | TopSpin | 3.0 | Bruker Biospin |
14 | validation | PSVS | Bhattacharya and Montelione |