Supporting Information for "Molecular modeling and simulations of DNA and RNA: DNAzyme as a model system"

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Nowadays, the structural dynamics of DNA and RNA is accessible on an atomistic level on a micro- to millisecond time scale via molecular dynamics simulations. However, as DNA or RNA are highly charged molecules, performing such simulations is challenging as to the representation of intramolecular electrostatic interactions and those to solvent molecules and ions. This is particularly true for DNAzymes, where DNA and RNA backbones can come as close as 2.4 Å with their charged phosphate groups during the catalytic cycle. Here, we present tools to simulate the structural dynamics of a DNAzyme, with a focus on detailed instructions for the Amber suite of programs. Furthermore, we will show how to analyze metal ion binding within the DNAzyme.



Structural dynamics, Amber suite of programs, Nucleic acid, Metal ion