Amino Acids Flashcards by Michelle Linke

Q

A

A

(Ala) Alanine

Nonpolar

pK1: 9

pK2: 2

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Q

C

A

Cysteine (Cys)

Polar (uncharged)

disulfid bonds pK2: 8

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Q

D

A

Aspartic Acid (Asp)

pK1: 2

pK2: 4

pK3: 9

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Q

E

A

Glutamic Acid (Glu)

Acid

pK1: 2

pK2: 4

pK3: 9

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Q

F

A

Phenalalanine (Phe)

Nonpolar

pK1: 2

pK2: 9

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Q

G

A

Glycine (Gly)

Nonpolar

pK1: 2

pK2: 9

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Q

H

A

Histidine (His)

Basic

pK1: 2

pK2: 6

pK3: 9

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Q

I

A

Isoleusine (Ile)

Nonpolar

pK1: 2

pK2: 9

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Q

K

A

Lysine (Lys)

Basic

pK1: 2

pK2: 9

pk3: 10

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Q

L

A

Leucine (Leu)

Nonpolar

pK1: 2

pK2: 9

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Q

M

A

Methionine (Met)

Nonpolar

pK1: 2

pK2: 9

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Q

N

A

Asparagine (Asn)

Polar (uncharged)

amide, for N-glycosilation

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Q

P

A

Proline (Pro)

Nonpolar

pK1: 2

pK2: 9

15% in cis conformation

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Q

Q

A

Glutamine (Gln)

Polar (uncharged)

pK1: 2

pK2: 9

amide, no N-glycosylation

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Q

R

A

Arginine (Arg)

Basic

pK1: 2

pK2: 9

pK3: 12

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Q

S

A

Serine (Ser)

Polar (uncharged)

Modificaitons: phosphorylation; O-linked glycos.

pK1: 2

pK2: 9

Q

T

A

Threonine (Thr)

Polar (uncharged)

Mods: Phosphor; O-linked glycos.

pK1: 2

pK2: 9

Q

V

A

Valine (Val)

Nonpolar

Q

W

A

Tryptophan (Trp)

Nonpolar

Q

Y

A

Tyrosine (Tyr)

Polar (unchaged)

pK3: 10