Solution NMR spectroscopy beyond 25 kDa.

Improvements in NMR instrumentation, higher magnetic field strengths, novel NMR experiments and new deuterium-labeling strategies have significantly increased the scope of structural problems that can now be addressed by solution NMR methods. To date, a number of structures of proteins of 30 kDa have been solved using multidimensional 15N,13C,2H NMR techniques, and this molecular weight limit will probably be surpassed in the near future.

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