check literature

[martin-raden]

• global mapping of small RNA interactome: http://www.cell.com/molecular-cell/pdf/S1097-2765(16)30413-0.pdf -ncRNA-mRNA interaction: shuffled controls consistently more stable than real interactions. http://www.slideshare.net/ppgardne/avoidance-of-stochastic-rna-interactions-can-be-harnessed-to-control-protein-expression-levels-in-bacteria-and-archaea
• random RR interaction avoidance: https://elifesciences.org/content/5/e20686 https://elifesciences.org/content/5/e13479

[martin-raden]

• multi sites https://link.springer.com/chapter/10.1007/978-3-030-04651-4_44