Assertion: dna's structure | /r/CapableOf | preserve planarity of the base-stacking
Facets:
value: with the term
type: OTHER
Source sentences:
text: Periodic fracture of the base-pair stack with a break occurring once per three bp (therefore one out of every three bp-bp steps) has been proposed as a regular structure which preserves planarity of the base-stacking and releases the appropriate amount of extension, with the term "Σ-DNA" introduced as a mnemonic, with the three right-facing points of the Sigma character serving as a reminder of the three grouped base pairs.