loop (structural biology)

Stem-loops are nucleic acid secondary structural elements which form via intramolecular base pairing in single-stranded DNA or RNA. They are also referred

sequence whose structure is known. Because loops have highly variable sequences even within a given structural motif or protein fold, they often correspond

internal loop motif: a new RNA structural element that forms a cross-strand AAA stack and long-range tertiary interactions". Journal of Molecular Biology. 360

term structural has the same meaning as in structural biology, and structural bioinformatics can be seen as a part of computational structural biology. The

The T-loop motif has been identified as a ubiquitous structural element in a number of noncoding RNAs. At least one other instance of the T-loop, found