CYANA Command: atoms set protlev

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Parameters

selection=atom selection

(default: none)

protlev =real

(default: 0)

Description

Used to set the protlev parameter of selected atoms for eNOE calculations. By default, the selection made in the most recent atoms select command is used, or all atoms if no selection has been made so far.

The protlev parameter may be used to account for D2O exchange of amide atoms in solution, i.e. protlev=0.97 for D2O exchange in a buffer solution containing 3% D2O. For spin diffusion calculations using the TSS approach, the protlev parameter is used to account for versatile labeling patterns, such as used in methyl labeling schemes.