Amino Acids Flashcards by Jennifer Le

Q

Alanine

A

Ala (A)

Nonpolar

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Q

Arginine

A

Arg (R)

Positively charged basic

pK_a=12.48

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Q

Asparagine

A

Asn (N)

Polar

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Q

Asparatic acid

A

Asp (D)

Negatively charged acidic

pKa=3.65

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Q

Cysteine

A

Cys (C)

Polar

Can form disulfide bridges

pKa=8.18

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Q

Glutamic acid

A

Glu (E)

Negatively charged acidic

pKa=4.25

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Q

Glutamine

A

Gln (Q)

Polar

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Q

Glycine

A

Gly (G)

Nonpolar

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Q

Proline

A

Pro (P)

Nonpolar

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Q

Serine

A

Ser (S)

Polar

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Q

Tyrosine

A

Tyr (Y)

Polar Aromatic

pKa=10.07

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Q

Histidine

A

His (H)

Positively charged basic

pKa= 6.00

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Q

Isoleucine

A

Ile (I)

Nonpolar

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Q

Leucine

A

Leu (L)

Nonpolar

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Q

Methionine

A

Met (M)

Nonpolar

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Q

Lysine

A

Lys (K)

Positively charged basic

pKa=10.53

Q

Phenylalanine

A

Phe (F)

Aromatic

Q

Threonine

A

Thr (T)

Polar

Q

Tryptophan

A

Trp (W)

Aromatic

Q

Valine

A

Val (V)

Nonpolar