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Power Saturation Experiments in 21% O2 or 10 mM NiEdda
50-100 uM KcsA, PBS pH 7.2, reconstituted into asolectin vesicles at a 1:500 protein:lipid ratio (molar)
100% H2O
50-100 mM
7.2
ambient
293
2
Dipolar couplings derived from underlabeled samples
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
EMX
3400
NMR Refinement
Method
Details
Software
simulated annealing
structures are based on a total of 438 restraints, with 84 intra-subunit distance constraints per subunit and 15 inter-subunit constraints
EPR Aquisit
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
32
Conformers Submitted Total Number
8
Representative Model
4 (closest to the average)
Additional NMR Experimental Information
Details
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