Amino Acids: Codes and Properties

Vocabulary flashcards covering the 20 standard amino acids, including their three-letter codes, one-letter codes, and chemical properties.

Arginine

Arg | R | Positively charged

Histidine

His | H | Positively charged

Lysine

Lys | K | Positively charged

Aspartic acid

Asp | D | Negatively charged

Glutamic acid

Glu | E | Negatively charged

Serine

Ser | S | Polar uncharged

Threonine

Thr | T | Polar uncharged

Asparagine

Asn | N | Polar uncharged

Glutamine

Gln | Q | Polar uncharged

Alanine

Ala | A | Hydrophobic

Valine

Val | V | Hydrophobic

Isoleucine

Ile | I | Hydrophobic

Leucine

Leu | L | Hydrophobic

Methionine

Met | M | Hydrophobic

Phenylalanine

Phe | F | Hydrophobic and aromatic

Tyrosine

Tyr | Y | Hydrophobic and aromatic

Tryptophan

Trp | W | Hydrophobic and aromatic

Glycine

Gly | G | Special (only H as side chain)

Proline

Pro | P | Special (side chain bound to backbone nitrogen)

Cysteine

Cys | C | Special (forms disulfide bonds)