SAM–SAH riboswitch - Wikipedia

Structure of the SAM-II riboswitch bound to S-adenosylmethionine

Structure of the SAM-II riboswitch bound to S-adenosylmethionine

Tandem Riboswitch Architectures Exhibit Complex Gene Control Functions

Exploring the energy landscape of a SAM-I riboswitch

Exploring the energy landscape of a SAM-I riboswitch

SAM riboswitch (S-box leader) - Wikipedia

Comparative Genomics of Transcriptional Regulation of Methionine Metabolism in Proteobacteria

Comparative genomics reveals 104 candidate structured RNAs from bacteria, archaea, and their metagenomes, Genome Biology

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Observation of structural switch in nascent SAM-VI riboswitch during transcription at single-nucleotide and single-molecule resolution