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Chem 239 Worksheet #9 – practice only (not turned in)
Chapter 27: Amino Acids, Peptides, and Proteins
You will get this table on the final exam to help you with amino acids.
H3N
O
O
Gly (G)
H3N
O
O
Ala (A)
H3N
O
O
Val (V)
H3N
O
O
Leu (L)
H3N
O
O
Ile (I)
N
H2
O
O
Pro (P)
Aliphatic
H3N
O
O
Ser (S)
H3N
O
O
Thr (T)
H3N
O
O
Asp (D)
H3N
O
O
Glu (E)
H3N
O
O
Asn (N)
O
H3N
O
O
Gln (Q)
Hydroxyl
OH OH
O
O
O O
NH2
ONH2
Acidic Amide
H3N
O
O
Lys (K)
H3N
O
O
Arg (R)
H3N
O
O
His (H)
H3N
O
O
Phe (F)
H3N
O
O
Tyr (Y)
H3N
O
O
Trp (W)
Basic
Aromatic
NH
HN
OH
H
N
NH3
NH
NH2
H2N
H3N
O
O
Met (M)
H3N
O
O
Cys (C)
SH
S
Sulfur-containing