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TECHVAULT > READING ROOM > QUICK REFERENCE

Standard IDT Ordering Base Codes

  • Standard Bases: A, C, G, T
  • RNA expressed as 'r_' (for example rA, rU)
  • 2' O-methyl RNA bases are entered as 'm_'
  • Locked nucleic acid bases (LNA) are entered as '+_'
  • Phosphorothioated DNA bases are entered as '_*'
  • Phosphorothioated RNA bases are entered as 'r_*'
  • Phosphorothioated 2' O-methyl bases are entered as 'm_*'
  • Phosphorothioated LNA bases are entered as '+_*'

Please note that rT and mT are not valid, and must be expressed as rU and mU instead.