Template:Proteinogenic amino acids - WikiMD's medical encyclopedia

General topics

By properties

Aliphatic	* Branched-chain amino acids (Valine Isoleucine Leucine) Methionine Alanine Proline Glycine
Aromatic	* Histidine Tyrosine Tryptophan Phenylalanine
Polar, uncharged	* Asparagine Glutamine Serine Threonine
Positive charge (pK_a)	* Lysine (≈10.8) Arginine (≈12.5) Histidine (≈6.1) Pyrrolysine
Negative charge (pK_a)	* Aspartic acid (≈3.9) Glutamic acid (≈4.1) Selenocysteine (≈5.4) Cysteine (≈8.3) Tyrosine (≈10.1)