SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample Contents50-100 uM KcsA, PBS pH 7.2, reconstituted into asolectin vesicles at a 1:500 protein:lipid ratio (molar)
Solvent100% H2O
Ionic Strength50-100 mM
Temperature (K)293
Experiment(s):Power Saturation Experiments in 21% O2 or 10 mM NiEdda
Spectrometer Information
Manufacturer Model Field Strength
Bruker EMX 3400.0
NMR Refinement
Method simulated annealing
Details structures are based on a total of 438 restraints, with 84 intra-subunit distance constraints per subunit and 15 inter-subunit constraints
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 32
Conformers Submitted Total Number 8
Representative Model Choice Rationale
1 closest to the average
Additional NMR Experimental Information
1 This structure was determined using secondary structure assignments from frequency analysis of solvent accessibility data and tertiary and quaternary structural information from spin-spin dipolar couplings
Computation: NMR Software
# Classification Software Name Author
1 collection version: 2.32 EPR Aquisit Bruker Instruments
2 structure solution version: 3 DISCOVER MSI
3 refinement version: 3 DISCOVER MSI