24种氨基酸缩写及其理化性质

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中文名称

英文名称

短写

缩写

丙氨酸

Alanine

A

Ala

苯丙氨酸

Phenylalanine

F

Phe

半胱氨酸

Cysteine

C

Cys

硒半胱氨酸*

Selenocysteine

U

Sec

天冬氨酸

Aspartic acid / Aspartate

D

Asp

天冬酰胺

Asparagine

N

Asn

谷氨酸

Glutamic acid / Glutamate

E

Glu

谷氨酰胺

Glutamine

Q

Gln

甘氨酸

Glycine

G

Gly

组氨酸

Histidine

H

His

亮氨酸

Leucine

L

Leu

异亮氨酸

Isoleucine

I

Ile

离氨酸

Lysine

K

Lys

吡咯赖氨酸*

Pyrrolysine

O

Pyl

蛋氨酸

Methionine

M

Met

脯氨酸

Proline

P

Pro

精氨酸

Arginine

R

Arg

丝氨酸

Serine

S

Ser

苏氨酸

Threonine

T

Thr

缬氨酸

Valine

V

Val

色氨酸

Tryptophan

W

Trp

酪氨酸

Tyrosine

Y

Tyr

除此之外,还有一些三字母或单字母符号可用来表示未明确定义的缩写:

Asx、B可代表天冬氨酸(Asp、D)或天冬酰胺(Asn、N)。

Glx、Z可代表谷氨酸(Glu、E)或谷氨酰胺(Gln、Q)。

Xle、J可代表亮氨酸(Leu、L)或异亮氨酸(Ile、I)。

Xaa(亦用Unk)、X可代表任意氨基酸或未知氨基酸。

二、理化性质

Name

Abbr

Molecular

Molecular

Residue

Residue Weight

pKa1

pKb2

pKx3

pl4

Weight

Formula

Formula

(-H2O)

Alanine

Ala

A

89.1

C3H7NO2

C3H5NO

71.08

2.34

9.69

Arginine

Arg

R

174.2

C6H14N4O2

C6H12N4O

156.19

2.17

9.04

12.48

Asparagine

Asn

N

132.12

C4H8N2O3

C4H6N2O2

114.11

2.02

8.8

Aspartic acid

Asp

D

133.11

C4H7NO4

C4H5NO3

115.09

1.88

9.6

3.65

Cysteine

Cys

C

121.16

C3H7NO2S

C3H5NOS

103.15

1.96

10.28

8.18

Glutamic acid

Glu

E

147.13

C5H9NO4

C5H7NO3

129.12

2.19

9.67

4.25

Glutamine

Gln

Q

146.15

C5H10N2O3

C5H8N2O2

128.13

2.17

9.13

Glycine

Gly

G

75.07

C2H5NO2

C2H3NO

57.05

2.34

9.6

Histidine

His

H

155.16

C6H9N3O2

C6H7N3O

137.14

1.82

9.17

6

Hydroxyproline

Hyp

O

131.13

C5H9NO3

C5H7NO2

113.11

1.82

9.65

Isoleucine

Ile

I

131.18

C6H13NO2

C6H11NO

113.16

2.36

9.6

Leucine

Leu

L

131.18

C6H13NO2

C6H11NO

113.16

2.36

9.6

Lysine

Lys

K

146.19

C6H14N2O2

C6H12N2O

128.18

2.18

8.95

10.53

Methionine

Met

M

149.21

C5H11NO2S

C5H9NOS

131.2

2.28

9.21

Phenylalanine

Phe

F

165.19

C9H11NO2

C9H9NO

147.18

1.83

9.13

Proline

Pro

P

115.13

C5H9NO2

C5H7NO

97.12

1.99

10.6

Pyroglutamatic

Glp

U

139.11

C5H7NO3

C5H5NO2

121.09

Serine

Ser

S

105.09

C3H7NO3

C3H5NO2

87.08

2.21

9.15

Threonine

Thr

T

119.12

C4H9NO3

C4H7NO2

101.11

2.09

9.1

Tryptophan

Trp

W

204.23

C11H12N2O2

C11H10N2O

186.22

2.83

9.39

Tyrosine

Tyr

Y

181.19

C9H11NO3

C9H9NO2

163.18

2.2

9.11

10.07

Valine

Val

V

117.15

C5H11NO2

C5H9NO

99.13

2.32

9.62

参考:https://www.wikiwand.com/zh-cn/%E6%A8%99%E6%BA%96%E8%9B%8B%E7%99%BD%E8%83%BA%E5%9F%BA%E9%85%B8%E5%88%97%E8%A1%A8

https://www.sigmaaldrich.com/DE/de/technical-documents/technical-article/protein-biology/protein-structural-analysis/amino-acid-reference-chart

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