1QUZ
Solution structure of the potassium channel scorpion toxin HSTX1
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | DQF-COSY | 5 MG HSTX1; TSP; HCL FOR PH | 4.0 | 1 atm | 308 | |||
2 | 2D NOESY | 5 MG HSTX1; TSP; DCL FOR PD | 4.0 | 1 atm | 308 | |||
3 | OFF-RESONANCE ROESY (35) | 4.0 | 1 atm | 308 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
NMR Refinement | ||
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Method | Details | Software |
A COMPLETLY EXTENDED CONFORMATION WAS USED AS THE STARTING STRUCTURE. 25 ITERATIONS WERE MADE. 500 STRUCTURES WERE CALCULATED. RESTRAINED MOLECULAR DYNAMICS AT 600K A SLOW COOLING. MINIMIZATION WERE MADE WITH AN ELECTROSTATIC TERM TOPALLH22X.PRO AND PARALLH22X.PRO | Felix |
NMR Ensemble Information | |
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Conformer Selection Criteria | all calculated structures submitted |
Conformers Calculated Total Number | 20 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | data analysis | Felix | 97 | BIOSYM |
2 | structure solution | X-PLOR | 3.1 | BRUNGER |
3 | refinement | X-PLOR | 3.1 | BRUNGER |