G2nA variant of T. tengcongensis operon sequence (2YGH) |
Structure of the modified SAM-I riboswitch k-turn containing a G2nA substitution to make an A•A pairing at the 2b•2n position. The structure is a simple k-turn of the N3 class, with the A•A pair connected by a single H-bond between A2n N3 and A2b N6.
|
||||||||||||
Consensus sequence of different SAM riboswitch k-turns from various organisms image produced using Weblogo 3.0 |