Amino Acids

Name

Abbreviation

Structure

pI

O

Alanine

Ala

6.00

OH NH2

NH2

Arginine

Arg

HN

O

NH

OH

10.76

NH2 O

Asparagine

Asn

H2N O

Aspartic acid

Asp

5.41

OH

2.77

NH2 O

HO O

Cysteine

OH

Cys

NH2 O

HS

5.07

OH NH2

O

Glutamic acid

Glu

HO

NH2

Glutamine

Gln

O OH

3.22

OH

5.65

NH2 O

O NH2 O

Glycine

Histidine

Gly

His

5.97

H2N

OH O

N N H

OH

7.59

NH2

O

Isoleucine

Ile

OH NH2

6.02

O

Leucine

Leu

5.98

OH NH2 O

Lysine

Lys

H2N

OH

9.74

NH2 O

Methionine

S

Met

OH

5.74

OH

5.48

NH2

O

Phenylalanine

Phe NH2 O

Proline

H N

Pro

6.30

OH

O

Serine

Ser

HO

OH

5.68

OH

5.60

NH2 O

Threonine

Thf

HO NH2

O

Tryptophan

Trp

OH

5.89

NH2

NH

O

Tyrosine

Tyr

OH

5.66

NH2

HO

O

Valine

Val

OH NH2

5.96