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Ref:
http://fr.wikipedia.org/wiki/Acides_amin%C3%A9s
Tableau présentant les 20 acides aminés

Propriétés chimiques
Propriétés de la chaîne latérale:
| Abrev. |
Nom |
Type de chaine latérale |
Masse |
pI |
pK1(α-COOH) |
pK2(α-+NH3) |
pKr (R) |
Remarques |
| A |
Ala |
Alanine |
hydrophobe |
89.09 |
6.11 |
2.35 |
9.87 |
|
|
| C |
Cys |
Cystéine |
hydrophile |
121.16 |
5.05 |
1.92 |
10.70 |
8.37 |
Deux cistéines peuvent former un
pont disulfure, ce qui renforce la structure tertiaire de certaines
protéines, comme l'insuline
par exemple. |
| D |
Asp |
Acide aspartique |
acide |
133.10 |
2.85 |
1.99 |
9.90 |
3.90 |
|
| E |
Glu |
Acide glutamique |
acide |
147.13 |
3.15 |
2.10 |
9.47 |
4.07 |
|
| F |
Phe |
Phénylalanine |
hydrophobe |
165.19 |
5.49 |
2.20 |
9.31 |
|
|
| G |
Gly |
Glycine |
hydrophile |
75.07 |
6.06 |
2.35 |
9.78 |
|
|
| H |
His |
Histidine |
base |
155.16 |
7.60 |
1.80 |
9.33 |
6.04 |
|
| I |
Ile |
Isoleucine |
hydrophobe |
131.17 |
6.05 |
2.32 |
9.76 |
|
|
| K |
Lys |
Lysine |
basique |
146.19 |
9.60 |
2.16 |
9.06 |
10.54 |
|
| L |
Leu |
Leucine |
hydrophobe |
131.17 |
6.01 |
2.33 |
9.74 |
|
|
| M |
Met |
Methionine |
hydrophobe |
149.21 |
5.74 |
2.13 |
9.28 |
|
C'est toujours le premier acide aminé d'une protéine. |
| N |
Asn |
Asparagine |
hydrophile |
132.12 |
5.41 |
2.14 |
8.72 |
|
|
| P |
Pro |
Proline |
hydrophobe |
115.13 |
6.30 |
1.95 |
10.64 |
|
|
| Q |
Gln |
Glutamine |
hydrophile |
146.15 |
5.65 |
2.17 |
9.13 |
|
|
| R |
Arg |
Arginine |
basique |
174.20 |
10.76 |
1.82 |
8.99 |
12.48 |
|
| S |
Ser |
Serine |
hydrophile |
105.09 |
5.68 |
2.19 |
9.21 |
|
|
| T |
Thr |
Threonine |
hydrophile |
119.12 |
5.60 |
2.09 |
9.10 |
|
|
| V |
Val |
Valine |
hydrophobe |
117.15 |
6.00 |
2.39 |
9.74 |
|
|
| W |
Trp |
Tryptophan |
hydrophobe |
204.23 |
5.89 |
2.46 |
9.41 |
|
|
| Y |
Tyr |
Tyrosine |
hydrophile |
181.19 |
5.64 |
2.20 |
9.21 |
10.46 |
|
Acide
Aminé |
hydrophobe |
positif |
négatif |
polair |
chargé |
petit |
tout petit |
aromatique |
aliphatique |
Volume de van der Waals |
| Ala |
X |
- |
- |
- |
- |
X |
X |
- |
- |
67 |
| Cys |
X |
- |
- |
- |
- |
X |
- |
- |
- |
86 |
| Asp |
- |
- |
X |
X |
X |
X |
- |
- |
- |
91 |
| Glu |
- |
- |
X |
X |
X |
- |
- |
- |
- |
109 |
| Phe |
X |
- |
- |
- |
- |
- |
- |
X |
- |
135 |
| Gly |
X |
- |
- |
- |
- |
X |
X |
- |
- |
48 |
| His |
X |
X |
- |
X |
X |
- |
- |
X |
- |
118 |
| Lys |
X |
X |
- |
X |
X |
- |
- |
- |
- |
135 |
| Ile |
X |
- |
- |
- |
- |
- |
- |
- |
X |
124 |
| Leu |
X |
- |
- |
- |
- |
- |
- |
- |
X |
124 |
| Met |
X |
- |
- |
- |
- |
- |
- |
- |
- |
124 |
| Asn |
- |
- |
- |
X |
- |
X |
- |
- |
- |
96 |
| Pro |
- |
- |
- |
- |
- |
X |
- |
- |
- |
90 |
| Gln |
- |
- |
- |
X |
- |
- |
- |
- |
- |
114 |
| Arg |
- |
X |
- |
X |
X |
- |
- |
- |
- |
148 |
| Ser |
- |
- |
- |
X |
- |
X |
X |
- |
- |
73 |
| Thr |
X |
- |
- |
X |
- |
X |
- |
- |
- |
93 |
| Val |
X |
- |
- |
- |
- |
X |
- |
- |
X |
105 |
| Trp |
X |
- |
- |
X |
- |
- |
- |
X |
- |
163 |
| Tyr |
X |
- |
- |
X |
- |
- |
- |
X |
- |
141 |
Ref:
http://fr.wikipedia.org/wiki/Acides_amin%C3%A9s
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