# Amino Acid Properties

ILVCA | GMFYW | HKREQ | DNSTP | BZX- |
--- | --- | --- | --- | --- | ---
XXXXX | XXXXX | XX··· | ···X· | ··XX | Hydrophobic
····· | ···XX | XXXXX | XXXX· | XXXX | Polar
··XXX | X···· | ····· | XXXXX | ··XX | Small
····· | ····· | ····· | ····X | ··XX | Proline
····X | X···· | ····· | ··X·· | ··XX | Tiny
XXX·· | ····· | ····· | ····· | ··XX | Aliphatic
····· | ··XXX | X···· | ····· | ··XX | Aromatic
····· | ····· | XXX·· | ····· | ··XX | Positive
····· | ····· | ···X· | X···· | ··XX | Negative
····· | ····· | XXXX· | X···· | ··XX | Charged

From Livingstone, C. D. and Barton, G. J. (1993),
"Protein Sequence Alignments: A Strategy for the Hierarchical Analysis of Residue Conservation", Comp. Appl. Bio. Sci., 9, 745-756.