Amino acid
Table of standard amino acid abbreviations and properties
Columns: Amino Acid | 3-Letter | 1-Letter | Side-chain polarity | Side-chain charge (pH 7.4) | Hydropathy index
Alanine | Ala | A | nonpolar | neutral | 1.8 | Arginine | Arg | R | Basic polar | positive | −4.5 | Asparagine | Asn | N | polar | neutral | −3.5 | Aspartic acid | Asp | D | acidic polar | negative | −3.5 | Cysteine | Cys | C | nonpolar | neutral | 2.5 | Glutamic acid | Glu | E | acidic polar | negative | −3.5 | Glutamine | Gln | Q | polar | neutral | −3.5 | Glycine | Gly | G | nonpolar | neutral | −0.4 | Histidine | His | H | Basic polar | positive(10%) neutral(90%) | −3.2 | Isoleucine | Ile | I | nonpolar | neutral | 4.5 | Leucine | Leu | L | nonpolar | neutral | 3.8 | Lysine | Lys | K | Basic polar | positive | −3.9 | Methionine | Met | M | nonpolar | neutral | 1.9 | Phenylalanine | Phe | F | nonpolar | neutral | 2.8 | Proline | Pro | P | nonpolar | neutral | −1.6 | Serine | Ser | S | polar | neutral | −0.8 | Threonine | Thr | T | polar | neutral | −0.7 | Tryptophan | Trp | W | nonpolar | neutral | −0.9 | Tyrosine | Tyr | Y | polar | neutral | −1.3 | Valine | Val | V | nonpolar | neutral | 4.2