-
Glu
Glutamate - E
- -negatively charged (acidic)
- -hydrophilic
- -polar
- -pKa: 4.1
-
Ala
Alanine - A
- -non-polar, aliphatic
- -hydrophobic
-
Gly
Glycine - G
- -non-polar, aliphatic
- -hydrophilic
- -resides in right turns
-
Pro
Proline - P
- -non-polar, aliphatic
- -hydrophilic
- -kinks in alpha helix
-
Val
Valine - V
- -non-polar, aliphatic
- -hydrophobic
- -bulky, NOT in a-helices; primarily in b-sheets
-
Leu
Leucine - L
- -non-polar, aliphatic
- -hydrophobic
-
Ile
Isoleucine - I
- -non-polar, aliphatic
- -hydrophobic
- -bulky, no a-helix found in b-sheets
-
Met
Methionine - M
- -non-polar, aliphatic
- -hydrophobic
- -metal binding
-
Phe
Phenylalanine - F
-
Tyr
Tyrosine - Y
-
Trp
Tryptophan - W
-
Ser
Serine - S
- -polar, uncharged
- -hydrophilic
-
Thr
Threonine - T
- -polar, uncharged
- -hydrophilic
-
Cys
Cysteine - C
- -polar, uncharged
- -hydrophobic
- -disulfide bonds
-
Asn
Asparagine - N
- -polar, uncharged
- -hydrophilic
- -pKa = 3.6
-
Gln
Glutamine - Q
- -polar, uncharged
- -hydrophilic
-
Lys
Lysine - K
- -Positively charged (basic)
- -hydrophilic
- -pKa = 10.8
-
His
Histidine - H
- -positively charged (basic)
- -hydrophilic
- -pKa = 6.1
-
Arg
Arginine - R
- -positively charged (basic)
- -hydrophilic
- -pKa = 12.5
-
Asp
Aspartate - D
- -negatively charged (acid)
- -hydrophilic
- -pKa = 3.6
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