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氨基酸属性与结构
氨基酸(Amino acids)是含有一个碱性氨基、一个酸性羧基和一个侧链基团R的有机化合物。一个氨基酸的主要组成元素是碳(C)、氢(H)、氧(O)、氮(N)。R基团代表20种不同的侧链,它可以是简单的一个氢原子(H)或是一个复杂的碳链功能团。侧链基因R的物理和化学属性决定了每一个氨基酸甚至整个蛋白质的独一特性和功能。
氨基酸属性与结构图表
使用此免费的在线蛋白/多肽分析工具,您可以分析氨基酸序列属性、预测蛋白的二级结构、预测抗原肽的免疫原性、分析氨基酸序列的疏水性、以及更多其他信息...
名称 缩写 |
分子量 |
pI |
CAS登记号 |
结构 / 分子式 |
3D 结构图/DIV> |
Alanine |
89.09 |
6 |
56-41-7 |
|
|
Ala A |
Arginine |
174.2 |
11.15 |
74-79-3 |
HN=C(NH2)-NH-(CH2)3-CH(NH2)-COOH | |
|
Arg R |
Asparagine |
132.12 |
5.41 |
5794-13-8 |
|
|
Asn N |
Aspartic acid |
133.1 |
2.77 |
56-84-8 |
|
|
Asp D |
Cysteine |
121.15 |
5.02 |
52-90-4 |
|
|
Cys C |
Glutamine |
146.15 |
5.65 |
56-85-9 |
H2N-CO-(CH2)2-CH(NH2)-COOH | |
|
Gln Q |
Glutamic acid |
147.13 |
3.22 |
56-86-0 |
|
|
Glu E |
Glycine |
75.07 |
5.97 |
56-40-6 |
|
|
Gly G |
Histidine
|
155.16 |
7.47 |
71-00-1 |
N=C-NH-C=C-CH2-CH(NH2)-COOH |
|
|
His H |
|
Isoleucine |
131.17 |
5.94 |
73-32-5 |
CH3-CH2-CH(CH3)-CH(NH2)-COOH | |
|
Ile I |
Leucine |
131.17 |
5.98 |
61-90-5 |
(CH3)2-CH-CH2-CH(NH2)-COOH | |
|
Leu L |
Lysine |
146.19 |
9.59 |
39665-12-8 |
|
|
Lys K |
Methionine |
149.21 |
5.74 |
63-68-3 |
CH3-S-(CH2)2-CH(NH2)-COOH | |
|
Met M |
Phenylalanine |
165.19 |
5.48 |
63-91-2 |
|
|
Phe F |
Proline
|
115.13 |
6.3 |
147-85-3 |
NH-(CH2)3-CH-COOH |
|
|
Pro P |
|
Serine |
105.09 |
5.68 |
56-45-1 |
|
|
Ser S |
Threonine |
119.12 |
5.64 |
72-19-5 |
|
|
Thr T |
Tryptophan
|
204.23 |
5.89 |
73-22-3 |
Ph-NH-CH-C-CH2-CH(NH2)-COOH |
|
|_______| |
Trp W |
|
Tyrosine |
181.19 |
5.66 |
60-18-4 |
|
|
Tyr Y |
Valine |
117.15 |
5.96 |
72-18-4 |
|
|
Val V |
|
泽泩源® 密码子使用表 |
氨基酸属性
氨基酸 |
Code |
亲水性 |
电荷 |
pKa, NH2 |
pKa, COOH |
pK(R) |
溶解性 |
Arginine |
R |
hydrophilic |
+ |
9.09 |
2.18 |
13.2 |
71.8 |
Asparagine |
N |
hydrophilic |
N |
8.8 |
2.02 |
|
2.4 |
Aspartate |
D |
hydrophilic |
- |
9.6 |
1.88 |
3.65 |
0.42 |
Glutamate |
E |
hydrophilic |
- |
9.67 |
2.19 |
4.25 |
0.72 |
Glutamine |
Q |
hydrophilic |
N |
9.13 |
2.17 |
|
2.6 |
Lysine |
K |
hydrophilic |
+ |
10.28 |
8.9 |
2.2 |
|
Serine |
S |
hydrophilic |
N |
9.15 |
2.21 |
|
36.2 |
Threonine |
T |
hydrophilic |
N |
9.12 |
2.15 |
|
freely |
Cysteine |
C |
moderate |
N |
10.78 |
1.71 |
8.33 |
freely |
Histidine> |
H |
moderate |
+ |
8.97 |
1.78 |
6 |
4.19 |
Methionine |
M |
moderate |
N |
9.21 |
2.28 |
|
5.14 |
Alanine |
A |
hydrophobic |
N |
9.87 |
2.35 |
|
15.8 |
Valine |
V |
hydrophobic |
N |
9.72 |
2.29 |
|
5.6 |
Glycine |
G |
hydrophobic |
N |
9.6 |
2.34 |
|
22.5 |
Isoleucine |
I |
hydrophobic |
N |
9.76 |
2.32 |
|
3.36 |
Leucine |
L |
hydrophobic |
N |
9.6 |
2.36 |
|
2.37 |
Phenylalanine |
F |
hydrophobic |
N |
9.24 |
2.58 |
|
2.7 |
Proline |
P |
hydrophobic |
N |
10.6 |
1.99 |
|
1.54 |
Tryptophan |
W |
hydrophobic |
N |
9.39 |
2.38 |
|
1.06 |
Tyrosine |
Y |
hydrophobic |
N |
9.11 |
2.2 |
10.1 |
0.038 |
|
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