2KJU
NMR structure of human insulin mutant glu-b21-d-glu, his-b10 asp pro-b28-lys, lys-b29-pro, 20 structures
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D TOCSY | 0.5 mM INSULIN A CHAIN, 0.5 mM INSULIN B CHAIN | 90% H2O/10% D2O | 0.1 | 7.0 | 1 bar | 298 | |
2 | NOESY | 0.5 mM INSULIN A CHAIN, 0.5 mM INSULIN B CHAIN | 90% H2O/10% D2O | 0.1 | 7.0 | 1 bar | 298 | |
3 | COSY | 0.5 mM INSULIN A CHAIN, 0.5 mM INSULIN B CHAIN | 90% H2O/10% D2O | 0.1 | 7.0 | 1 bar | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 700 |
NMR Refinement | ||
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Method | Details | Software |
DISTANCE GEOMETRY AND SIMULATED ANNEALING | RMSD VALUES FOR ALL 20 STRUCTURES VERSUS GEOMETRIC AVERAGE: (BACKBONE, A2-A20, B4-B24) 0.42 ANGSTROM | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 40 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
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Details | THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR NMR TECHNIQUES. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.85 | BRUNGER |
2 | structure solution | XwinNMR | 3.5 | Bruker Biospin |