You can see amino acid properties by clicking on the amino acid structure. * Codon Table -- table representation of the codon table * Codon Circle -- circular representation of the codon table (a little bit unusual, but pretty) * Codon Alignment -- contains additional information about initiation (start) codons === Following information about each amino acid is provided: * Chemical structure * Three letter and one letter abbreviations * All codons that encode the amino acid * Polarity * Side chain charge (neutral, positive, negative) * pH (acidic or basic) * Chemical formula of the side chain * Aromatic or aliphatic * Essential * Small * Polar * Hydrophobic * Hydropathy * Molecular weight (MW) * Isoelectric Point (pI) * pK1 (-COOH) * pK2 (+NH3) * pKa * reference to Wikipedia ==== "Amino Acid and Nucleotide Codes" reference tool contains 26 amino acid and 16 nucleotide codes (abbreviations). This includes the following non-standard/degenerate codes: R Purine (A or G) Y Pyrimidine (C or T) N Any nucleotide W Weak (A or T) S Strong (G or C) M Amino (A or C) K Keto (G or T) B Not A (G or C or T) H Not G (A or C or T) D Not C (A or G or T) V Not T (A or G or C) Asx B Asn or Asp Glx Z Gln or Glu Xle J Leu or Ile Sec U Selenocysteine (UGA) Pyl O Pyrrolysine (UAG) Unk X Unknown ==== Amino Acid Venn Diagram shows classification of all amino acids by physical/chemical properties on a single picture.
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