RNA Codon Table and Amino Acid Translation Reference

Uracil-First RNA Codons

• UAU

  • Encodes: tyrosine
  • Three-letter abbreviation: Tyr

• UAC

  • Encodes: tyrosine
  • Three-letter abbreviation: Tyr

• UGU

  • Encodes: cysteine
  • Three-letter abbreviation: Cys

• UGC

  • Encodes: cysteine
  • Three-letter abbreviation: Cys

• UAA

  • Encodes: STOP (Translation Termination Signal)

• UGA

  • Encodes: STOP (Translation Termination Signal)

• UAG

  • Encodes: STOP (Translation Termination Signal)

• UGG

  • Encodes: tryptophan
  • Three-letter abbreviation: Trp

Cytosine-First RNA Codons

• CAU

  • Encodes: histidine
  • Three-letter abbreviation: His

• CAC

  • Encodes: histidine
  • Three-letter abbreviation: His

• CAA

  • Encodes: glutamine
  • Three-letter abbreviation: Gln

• CAG

  • Encodes: glutamine
  • Three-letter abbreviation: Gln

• CGU

  • Encodes: arginine
  • Three-letter abbreviation: Arg

• CGC

  • Encodes: arginine
  • Three-letter abbreviation: Arg

• CGA

  • Encodes: arginine
  • Three-letter abbreviation: Arg

• CGG

  • Encodes: arginine
  • Three-letter abbreviation: Arg

Adenine-First RNA Codons

• AAU

  • Encodes: asparagine
  • Three-letter abbreviation: Asn

• AAC

  • Encodes: asparagine
  • Three-letter abbreviation: Asn

• AAA

  • Encodes: lysine
  • Three-letter abbreviation: Lys

• AAG

  • Encodes: lysine
  • Three-letter abbreviation: Lys

• AGU

  • Encodes: serine
  • Three-letter abbreviation: Ser

• AGC

  • Encodes: serine
  • Three-letter abbreviation: Ser

• AGA

  • Encodes: arginine
  • Three-letter abbreviation: Arg

• AGG

  • Encodes: arginine
  • Three-letter abbreviation: Arg

Guanine-First RNA Codons

• GAU

  • Encodes: aspartic acid
  • Three-letter abbreviation: Asp

• GAC

  • Encodes: aspartic acid
  • Three-letter abbreviation: Asp

• GAA

  • Encodes: glutamic acid
  • Three-letter abbreviation: Glu

• GAG

  • Encodes: glutamic acid
  • Three-letter abbreviation: Glu

• GGU

  • Encodes: glycine
  • Three-letter abbreviation: Gly

• GGC

  • Encodes: glycine
  • Three-letter abbreviation: Gly

• GGA

  • Encodes: glycine
  • Three-letter abbreviation: Gly

• GGG

  • Encodes: glycine
  • Three-letter abbreviation: Gly

Grouped Codon Mappings by Amino Acid and Signal

• Arginine (Arg)

  • Codons: CGU, CGC, CGA, CGG, AGA, AGG

• Asparagine (Asn)

  • Codons: AAU, AAC

• Aspartic Acid (Asp)

  • Codons: GAU, GAC

• Cysteine (Cys)

  • Codons: UGU, UGC

• Glutamic Acid (Glu)

  • Codons: GAA, GAG

• Glutamine (Gln)

  • Codons: CAA, CAG

• Glycine (Gly)

  • Codons: GGU, GGC, GGA, GGG

• Histidine (His)

  • Codons: CAU, CAC

• Lysine (Lys)

  • Codons: AAA, AAG

• Serine (Ser)

  • Codons: AGU, AGC

• Tryptophan (Trp)

  • Codons: UGG

• Tyrosine (Tyr)

  • Codons: UAU, UAC

• STOP (Termination Signals)

  • Codons: UAA, UGA, UAG