Quick Revision: Amino Acids

by Jaan

Amino acids with electrically-charged side-chains:

POSITIVE

– Arginine, R

– Histidine, H

– Lysine, K

NEGATIVE

– Aspartic acid, D

– Glutamic acid, E

Amino acids with polar, uncharged side-chains:

– Serine, S

– Threonine, T

– Aspargine, N

– Glutamine, Q

Special cases:

– Cysteine, C

– Selenocysteine, U

– Glycine, G

– Proline, P

Amino acids with hydrophobic side-chains:

– Phenylalanine, P

– Alanine, A

– Valine, V

– Isoleucine, I

– Leucine, L

– Methionine, M

– Tyrosine, Y

– Tryptophan, W

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