RCNMA/NMSim is a normal mode-based geometric simulation approach for exploring biologically relevant conformational transitions in proteins. This method is based on a three-step approach for multi-scale modeling of macromolecular conformational changes. The first two steps are based on a rigid cluster normal-mode analysis (RCNMA). In the final step (NMSim), new macromolecule conformers are generated by deforming the structure along low-energy normal mode directions predicted by RCNMA.
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