Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The Superimposition between the newly identified motifs (red) and the queries (blue) at the regions where nucleotide insertion(s) are observed. (a) The `kink' regions in kink-turn motifs (red structure: 1QVF, chain `0', 1027–1031; blue structure: 1S72, chain `0', 94–97). (b) The longer strands at the junctions between helices in reverse kink-turn motif (red structure: 1QVF, chain `0', 1522–1526; blue structure: 1ZZN, chain B, 198–200).
