1IB7
SOLUTION STRUCTURE OF F35Y MUTANT OF RAT FERRO CYTOCHROME B5, A CONFORMATION, ENSEMBLE OF 20 STRUCTURES
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2mM F35Y CYTOCHROME B5; 1mM PHOSPHATE BUFFER; PURGED WITH NITROGEN GAS AND REDUCED BY ADDING FEW GRAINS OF SODIUM DITHIONATE AND SEALED USING OXY-ACETYLENE TORCH; 0.05 mM TSP AS INTERNAL REFERENCE | 90% H2O/10% D2O | 1mM | 7.0 | 313 | ||
2 | HNHA | 2mM F35Y CYTOCHROME B5; 1mM PHOSPHATE BUFFER; PURGED WITH NITROGEN GAS AND REDUCED BY ADDING FEW GRAINS OF SODIUM DITHIONATE AND SEALED USING OXY-ACETYLENE TORCH; 0.05 mM TSP AS INTERNAL REFERENCE | 90% H2O/10% D2O | 1mM | 7.0 | 313 | ||
3 | 3D_15N-separated_NOESY | 2mM F35Y CYTOCHROME B5; 1mM PHOSPHATE BUFFER; PURGED WITH NITROGEN GAS AND REDUCED BY ADDING FEW GRAINS OF SODIUM DITHIONATE AND SEALED USING OXY-ACETYLENE TORCH; 0.05 mM TSP AS INTERNAL REFERENCE | 90% H2O/10% D2O | 1mM | 7.0 | 313 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 600 |
2 | Bruker | DMX | 600 |
3 | Bruker | DMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
TORSION ANGEL DYNAMICS SIMULATED ANNEALING; RESTRAINED ENERGY | THE STRUCTURE WAS CALCULATED USING 1167 NOE RESTRAINTS AND 69 DIHEDRAL ANGLE RESTRAINTS; RESIDUES 1-3 AND 89-94 WERE NOT INCLUDED IN THE REFINED MODEL BECAUSE OF A LACK OF RESTRAINTS IN THESE PRESUMABLY UNSTRUCTURED REGIONS OF THE PROTEIN. | DYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations, structures with the lowest energy, target function |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (fewest violations,lowest energy) |
Additional NMR Experimental Information | |
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Details | THE STRUCTURE WAS DETERMINED USING 2D AND 3D EXPERIMENTS INCLUDING DISTANCE AND ANGULAR RESTRAINTS FROM HNHA |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | DYANA | 1.5 | GUENTERT, P. |
2 | data analysis | Felix | 97 | MSI |
3 | collection | XwinNMR | 2.0 | BRUKER |