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How do I enter RNA sequences online?

Oligonucleotides containing at least one RNA base must be ordered from our Custom RNA Oligos ordering page.  RNA bases are entered with a lower-case “r” preceding the desired base (e.g., rA, rC, rG, rU).  For your convenience, the “Convert to RNA” button under the sequence entry box will add a lower-case “r” in front of all bases and change all T bases to U bases. Please note that you can use this same method to order RNA/DNA chimeras. To denote the DNA bases, simply use the capital letter of the desired base type (e.g., A, C, G, T). There is no extra charge for DNA bases in an RNA sequence beyond the standard per base charge for DNA on the scale requested.
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