Amino Acids Flashcards
Name the AA, 1 & 3 letter codes, and its properties (4).

Glycine
Gly, G
So small it is amphiphilic (can exist in any environment), non-polar & hydrophobic, aliphatic R-group

Name the AA, 1 & 3 letter codes, and its properties (4).

Alanine
Ala, A
Non-Polar, Hydrophobic: tend to cluster together on inside of proteins –> stabilizing structure, Aliphatic R-Group

Name the AA, 1 & 3 letter codes, and its properties (4).

Proline
Pro, P
Non-Polar, Hydrophobic, Aliphatic R-group, causes kinks in polypeptide chain

Name the AA, 1 & 3 letter codes, and its properties (3).

Valine
Val, V
Non-polar & Hydrophobic, Aliphatic R-group

Name the AA, 1 & 3 letter codes, and its properties (4).

Leucine
Leu, L
Non-polar & Hydrophobic: tend to cluster together on inside of protein stabilizing it, Aliphatic R-group

Name the AA, 1 & 3 letter codes, and its properties (4).

Isoleucine
Ile, I
Non-polar & Hydrophobic: tend to cluster together on inside of protein to stabilize structure, Aliphatic R-group,

Name the AA, 1 & 3 letter codes, and its properties (3).

Methionine
Met, M
Non-polar & Hydrophobic, Aliphatic R-group

Name the AA, 1 & 3 letter codes, and its properties (2).

Phenylalanine
Phe, F
Aromatic R-group, very hydrophobic

Name the AA, 1 & 3 letter codes, and its properties (3).

Tyrosine
Tyr, Y
Aromatic R-group, -OH group makes it moderately hydrophilic & may form H-bonds

Name the AA, 1 & 3 letter codes, and its properties (3).

Tryptophan
Try, W
Aromatic R-group, Menthal ring, Scarce in most plant proteins

Name the AA, 1 & 3 letter codes, and its properties (3).

Serine
Ser, S
Polar & uncharged R-group, Carbohydrate can be covalently linked to its -OH

Name the AA, 1 & 3 letter codes, and its properties (3).

Threonine,
Thr, T
Polar & Uncharged R-group, Carbohydrate can be covalently linked to its -OH

Name the AA, 1 & 3 letter codes, and its properties (4).

Cysteine
Cys, C
Polar & uncharged, hydrophilic, Oxidation of -SH can link 2 cysteine’s

Name the AA, 1 & 3 letter codes, and its properties (4).

Asparagine
Asn, N
Polar & uncharged R-group, compound covalently linked to its -NH, amide to common acid: Aspartate

Name the AA, 1 & 3 letter codes, and its properties (4).

Glutamine
Glu, Q
Polar & uncharged R-group, moderately hydrophilic,
Amide of Glutamine (Glu)

Name the AA, 1 & 3 letter codes, and its properties (3).

Lysine
Lys, K
(+) Charged R-group, strongly basic & hydrophilic
Name the AA, 1 & 3 letter codes, and its properties (2).

Arginine
Arg, R
(+) Charged R-group, free amino group makes it basic and hydrophilic

Name the AA, 1 & 3 letter codes, and its properties (2).

Histidine
His, H
(+) Charged R-group, base/acid & hydrophilic

Name the AA, 1 & 3 letter codes, and its properties (3).

Aspartate
Asp, D
(-) Charged R-group, free carboxyl group make it acidic & hydrophilic

Name the AA, 1 & 3 letter codes, and its properties (3).

Glutamate
Glu, E
(-) Charged R-group, free carboxyl group make it acidic and hydrophilic
