Appendix A - Appendix A to Subpart G of Part 1—List of Nucleotides
Source: World Intellectual Property Organization (WIPO) Handbook on Industrial Property Information and Documentation, Standard ST.25: Standard for the Presentation of Nucleotide and Amino Acid Sequence Listings in Patent Applications (2009).
| Symbol | Meaning | Origin of designation | a | a | g | g | c | c | t | t | thymine. | u | u | r | g or a | purine. | y | t/u or c | p | m | a or c | a | k | g or t/u | s | g or c | strong interactions 3H-bonds. | w | a or t/u | b | g or c or t/u | not a. | d | a or g or t/u | not c. | h | a or c or t/u | not g. | v | a or g or c | not t, not u. | n | a or g or c or t/u, unknown, or other | a |
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