Before revision: We propose a "sugar" coarse-grained (CG) DNA model capable of simulating both biologically significant B- and A-DNA. The model also demonstrates both the A to B and the B to A transitions.
After revision: We propose a "sugar" coarse-grained (CG) DNA models have been developed for simulating the behavior of this molecule under various conditions, including those required for nanotechnology. However, none of these models reproduces the DNA polymorphism associated with conformational changes in the ribose rings of the DNA backbone. These changes make an essential contribution to the DNA local deformability and provide the possibility of the transition of the DNA double helix from the B-form to the B to A transitions.