Amino Acids Flashcards
1
Q
A
A
(Ala) Alanine
Nonpolar
pK1: 9
pK2: 2
2
Q
C
A
Cysteine (Cys)
Polar (uncharged)
disulfid bonds pK2: 8
3
Q
D
A
Aspartic Acid (Asp)
pK1: 2
pK2: 4
pK3: 9
4
Q
E
A
Glutamic Acid (Glu)
Acid
pK1: 2
pK2: 4
pK3: 9
5
Q
F
A
Phenalalanine (Phe)
Nonpolar
pK1: 2
pK2: 9
6
Q
G
A
Glycine (Gly)
Nonpolar
pK1: 2
pK2: 9
7
Q
H
A
Histidine (His)
Basic
pK1: 2
pK2: 6
pK3: 9
8
Q
I
A
Isoleusine (Ile)
Nonpolar
pK1: 2
pK2: 9
9
Q
K
A
Lysine (Lys)
Basic
pK1: 2
pK2: 9
pk3: 10
10
Q
L
A
Leucine (Leu)
Nonpolar
pK1: 2
pK2: 9
11
Q
M
A
Methionine (Met)
Nonpolar
pK1: 2
pK2: 9
12
Q
N
A
Asparagine (Asn)
Polar (uncharged)
amide, for N-glycosilation
13
Q
P
A
Proline (Pro)
Nonpolar
pK1: 2
pK2: 9
15% in cis conformation
14
Q
Q
A
Glutamine (Gln)
Polar (uncharged)
pK1: 2
pK2: 9
amide, no N-glycosylation
15
Q
R
A
Arginine (Arg)
Basic
pK1: 2
pK2: 9
pK3: 12