1YJJ
RDC-refined Solution NMR structure of oxidized putidaredoxin
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 15N-coupled 2D 15N-1H HSQC; 7.5% bicelle (DMPC:DHPC-2.9:1) | 1 mM oxidized putidaredoxin 15N; 50 mM Tris-Cl buffer, 50 mM KCl, pH 7.4 | 90% H2O/10% D2O | 50 mM KCl | 7.4 | ambient | 298 | |
2 | 15N-coupled 2D 15N-1H HSQC; 10 mg/mL Phage | 1 mM oxidized putidaredoxin 15N; 50 mM Tris-Cl buffer, 50 mM KCl, pH 7.4 | 90% H2O/10% D2O | 50 mM KCl | 7.4 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | The structures are based on 1239 NOE restriants, 160 dihedral angle restraints and 155 RDC restraints, 28 paramagnetic distance restraints from relaxation measurements and 18 distance restriants from hydrogen bonds | Xplor-NIH |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 15 |
Representative Model | 2 (lowest energy) |
Additional NMR Experimental Information | |
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Details | The structures were refined against 15N-1H RDC restraints using previously published NOE and dihedral angle restraints for Pdx. The restraints for the metal binding loop (residues 36-48,85-86) were modeled from bovine adrenodoxin crystal structure. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | Xplor-NIH | 2.9.6 | Schwieters, Kuszewski, Tjandra, Clore |