H. marismortui Kt-7 is a near-consensus k-turn, of the N1 class in the ribosome. However, the structure can be altered with environment. Thus the same sequence adopts the N3 structure in the SAM-I riboswitch and as a duplex bound to L7Ae protein.
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Consensus sequence of different Kt-7 from various organisms image produced using Weblogo 3.0 |