摘要：

A method is presented for the determination of values of the spectral density function, J(), describing the dynamics of amide bond vectors from 15N relaxation parameters alone. Assuming that the spectral density is given by the sum of Lorentzian functions, the approach allows values of J() to be obtained at =0, N and 0.870H, where N and <img src="/content/U1015X713P1TR8T2/xxlarge969.gif" alt="ohgr" align="B

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