The NMR Exchange Format (NEF): Specification and Applications
Ploskon, E.; Baskaran, K.; Tejero, R.; Schwieters, C. D.; Bardiaux, B.; Guentert, P.; Fogh, R. H.; Gutmanas, A.; Brooksbank, E. J.; Yokochi, M.; Wishart, D. S.; Wedell, J. R.; Vranken, W. F.; Thompson, D.; Thompson, G.; Smith, B. O.; Rehman, S.; Ramelot, T. A.; Ragan, T. J.; Perez, A.; Perera, B. L.; Peisach, E.; Nilges, M.; Mureddu, L. G.; Mondal, A.; Lubicka, E. A.; Liwo, A.; Kurisu, G.; Kobayashi, N.; Klukowski, P.; Johnston, B. A.; Huang, Y. J.; Hoch, J. C.; Higman, V. A.; Herrmann, T.; Hayward, M. W.; Garnet, J. A.; Case, D. A.; Burley, S. K.; Adams, P. D.; Montelione, G. T.; Vuister, G.
Show abstract
The NMR Exchange Format (NEF) is a community-driven standard for representing NMR experimental data in a consistent, interoperable, and machine-readable form. Built on the STAR syntax, NEF provides a structured framework for storing and exchanging chemical shifts, peak lists, various types of structural restraints, and related metadata, thus allowing for data exchange across software platforms. By enabling direct, lossless transfer of information, NEF simplifies multi-software workflows, improves reproducibility, and supports FAIR (Findable, Accessible, Interoperable, Reusable) data principles. We describe the NEF specification, its current implementation across commonly used NMR software packages, and its application in areas including biomolecular structure determination, metabolomics, and ligand screening. Testing demonstrates that NEF can be used to exchange complete datasets between programs without loss of information or functionality. We also outline recent developments and future directions, such as inclusion of NMR relaxation data and support for non-standard residue topologies. NEFs growing adoption highlights its potential as a unifying standard for NMR data, enabling more efficient, transparent and collaborative research.
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