Sequence

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The sequence, or primary structure, of an RNA molecule is the list of ribonucleotides that it contains. That is, the order or sequence of the RNA's nucleotides. A sequence is customarily written in the 5' to 3' direction unless indicated otherwise.

For example: AAGUGCUCAGAU

Indicates that the order of nucleotides on the RNA from 1 through 12 is two Adenines, a Guanine, a Uracil, a Guanine, a Cytosine, a Uricil, and so on. EteRNA allows you to manually type in a sequence when solving puzzles.