Z-RNA

 

English Wikipedia has an article on:

Z-RNA

Wikipedia

From Z +‎ RNA. Blend of Z-DNA +‎ RNA. From zigzagging of the zigzag configuration RNA, an RNA analogue of the previously discovered Z-DNA.

Z-RNA (countable and uncountable, plural Z-RNAs)

1. (uncountable) A configuration of RNA, left-hand twisting double helix, that takes up a zigzagging form due to the natural right-hand twisting tendency of double-stranded RNA.
2. (countable) A RNA helix in such a configuration.

• Zarn