Properties of amino acid R groups

Question 1

Hydrophobic and aliphatic R groups (4)

Answer 1

Alanine, Valine, Leucine and Isoleucine

Question 2

Positively charged R groups (3)

Answer 2

Arginine, Lysine and Histidine

Question 3

Negatively charged R groups (2)

Answer 3

Aspartic acid and Glutamic acid

Question 4

Sulphur-containing R groups (2)

Answer 4

Cystine and Methionine

Question 5

No R group, often used in protein turns (1)

Answer 5

Glycine

Question 6

R group can bind with amino group, often a terminal amino acid (1)

Answer 6

Proline