Amino Acid	a-carboxylic acid	a-amino	Side chain
Alanine	2.35	9.87
Arginine	2.01	9.04	12.48
Asparagine	2.02	8.80
Aspartic Acid	2.10	9.82	3.86
Cysteine	2.05	10.25	8.00
Glutamic Acid	2.10	9.47	4.07
Glutamine	2.17	9.13
Glycine	2.35	9.78
Histidine	1.77	9.18	6.10
Isoleucine	2.32	9.76
Leucine	2.33	9.74
Lysine	2.18	8.95	10.53
Methionine	2.28	9.21
Phenylalanine	2.58	9.24
Proline	2.00	10.60
Serine	2.21	9.15
Threonine	2.09	9.10
Tryptophan	2.38	9.39
Tyrosine	2.20	9.11	10.07
Valine	2.29	9.72