Local variations of the values of physical and structural parameters in core promoter regions of A. thaliana, D. melanogaster, C. elegans, D. rerio, M. musculus and H. sapiens.
a Stacking energy (in kcal/mol). b Roll (in degrees). c Stiffness of the duplex structure to Roll alteration (in kcal/mol degree). d Slide (in angstroms). e Stiffness of the duplex structure to Slide alteration (in kcal/mol angstrom). f Mobility to bend towards major groove (in mobility units)