Amino Acids Flashcards

0
Q

Alanine

A
  • Ala
  • A
  • hydrophobic
  • aliphatic
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1
Q

Glycine

A
  • Gly
  • G
  • hydrophobic
  • aliphatic
  • achiral
  • smallest
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2
Q

Proline

A
  • Pro
  • P
  • hydrophobic
  • aliphatic
  • cyclic side chain
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3
Q

Valine

A
  • Val
  • V
  • hydrophobic
  • aliphatic
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4
Q

Leucine

A
  • Leu
  • L
  • hydrophobic
  • aliphatic
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5
Q

Isoleucine

A
  • Ile
  • I
  • hydrophobic
  • aliphatic
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6
Q

Methionine

A
  • Met
  • M
  • hydrophobic
  • aliphatic
  • contains sulfur
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7
Q

Tryptophan

A
  • Trp
  • W
  • hydrophobic
  • aromatic
  • widest
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8
Q

Phenylalanine

A
  • Phe
  • F
  • hydrophobic
  • aromatic
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9
Q

Serine

A
  • Ser
  • S
  • polar
  • similar to Alanine
  • OH = hydrophilic
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10
Q

Threonine

A
  • Thr
  • T
  • polar
  • OH = hydrophilic
  • similar to Valine
  • OH = hydrophilic
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11
Q

Tyrosine

A
• Tyr
• Y
• polar
• aromatic
• COO-
Has OH so less hydrophobic
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12
Q

Asparagine

A
  • Asn
  • N
  • polar
  • COO-
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13
Q

Glutamine

A
  • Gln
  • Q
  • polar
  • COO-
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14
Q

Cysteine

A
  • Cys
  • C
  • polar
  • highly reactive SH
  • contains sulfur
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15
Q

Lysine

A
  • Lys
  • K
  • basic
  • longest with Argine
  • positively charged at pH 7
16
Q

Arginine

A
  • Arg
  • R
  • basic
  • longest with Lysine
  • positively charged at pH 7
17
Q

Histidine

A
  • His
  • H
  • charge changes with pH
  • basic
  • aromatic
18
Q

Aspartate

A
  • Asp
  • D
  • negatively charged
  • acidic
19
Q

Glutamate

A
  • Glu
  • E
  • positively charged
  • acidic
20
Q

Aliphatic

A
  • straight, branches

* non aromatic rings

21
Q

Aromatic

A
  • contain phenyl ring
  • hydrophobic
  • delocalized pi bonds