下面列出一些常见的分类方法:
1. 20种氨基酸及其缩写
A
Ala - Alanine
M
Met - Methionine
C
Cys - Cysteine
N
Asn - Asparagine
D
Asp - Aspartic acid
P
Pro - Proline
E
Glu - Glutamic acid
Q
Gln - Glutamine
F
Phe - Phenylalanine
R
Arg - Arginine
G
Gly - Glycine
S
Ser - Serine
H
His - Histidine
T
Thr - Threonine
I
Ile - Isoleucine
V
Val - Valine
K
Lys - Lysine
W
Trp - Tryptophan
L
Leu - Leucine
Y
Tyr - Tyrosine
2.蛋白中其它常见的氨基酸:
Hydroxyproline (hydroxylated proline - two isomers);
Cystine (oxidised cysteines) ;
Pyroglutamic acid (cyclised N-terminal glutamic acid)
3.多肽序列中的其它氨基酸:
Alpha-amino butyric acid (cysteine replacement)
Beta-amino alanine (straight chain isomer of alanine)
Norleucine (linear sidechain isomer of leucine)
4.按亲水性/疏水性来划分:
亲水性:D, E, H, K, N, Q, R, S, T, Hydroxyproline, pyroglutamic acid
疏水性:A, F, I, L, M, P, V, W, Y, alpha-amino butyric acid, beta